Appium Interview Questions for 2023: Everything You Need to Know - IQCode

Introduction to Appium

Appium is an open-source mobile testing automation tool that is used for testing mobile applications. It is developed and supported by Sauce Labs and mainly used for automating hybrid and native mobile apps. It is a cross-platform mobile automation tool, meaning it can perform the same test on various platforms at once, and support parallel testing on multiple devices. Given the high demand for mobile applications in the current technological world, it is critical to understand mobile software automation testing technology and keep up with emerging technology. Appium is a mobile app testing solution that is now popular in the field of mobile automation testing.

Features of Appium

- It is an open-source mobile application testing framework. - Appium can handle both native and hybrid mobile applications. - It supports both Android and iOS platforms for automation testing. - Appium testing can be performed on real devices, as well as on simulators and emulators. - Appium supports various programming languages like Java, PHP, Objective C, C#, Python, JavaScript with node.js, Ruby and many others. - Appium has no OS dependency, as it contains a framework that translates Selenium Webdriver commands to UIAutomator and UIAutomation commands for Android and iOS devices, which are device type dependent, rather than OS dependent.

Appium Interview Questions for Freshers

1. What are the key features of Appium?

Advantages and Disadvantages of Appium

Appium has several advantages and disadvantages that are important to consider before deciding to use it for mobile automation testing.


  • Cross-platform support: Appium supports automation testing for multiple platforms, including iOS and Android, which makes it a versatile solution for mobile app testing.
  • No need for access to source code: Appium can automate both native and hybrid mobile apps without requiring access to their source code, which saves time and simplifies the testing process.
  • Support for multiple programming languages: Appium supports multiple programming languages such as Java, JavaScript, Ruby, Python, etc. This makes it easy to integrate with multiple testing frameworks and provides flexibility for testers with different coding preferences.


  • Slow execution speed: Appium can be slow in executing test cases, especially for Android apps, due to its complex architecture and the use of multiple tools and drivers.
  • Stability issues: Appium can sometimes have stability issues when testing complex or large mobile apps, as it relies on several external tools and dependencies.
  • Steep learning curve: Although Appium is easy to set up, its complex architecture and use of multiple tools and drivers can make it challenging for testers with limited programming experience.
Overall, Appium is a powerful tool for mobile automation testing, but it requires careful consideration of its advantages and disadvantages before deciding to use it.

Difference between Emulator and Simulator

Emulator and simulator are both tools used in software testing, but they have different functions and ways of operation.

An emulator is software that enables a computer system to behave like another computer system. It allows software that is designed for one platform to run on another. Emulators have hardware requirements and can be slower than the actual hardware they emulate.

A simulator, on the other hand, is a program that models the behavior of a system. It simulates the environment and conditions of a system, but does not replicate it entirely. Simulators are used to test software in a controlled environment, without the need for actual hardware.

In summary, an emulator mimics hardware, while a simulator mimics software and the software's environment.

// Example of using an emulator;

// Example of using a simulator

When to Use a Simulator vs an Emulator

Simulators and emulators have slight differences and are used in different situations.

A simulator is used to imitate specific aspects of a system or device in order to test software or applications. It considers the expected behavior of the system, but does not attempt to exactly replicate the original system's functioning. Simulators are generally used to test software in development before it is deployed onto the actual system.

On the other hand, an emulator is used to replicate the original system's hardware and software. It can be used to test software or even run applications that may not be supported by the current operating system. Emulators mimic the complete hardware and software environment, allowing developers to test their software in an environment that is essentially identical to the target environment, and can ultimately provide more accurate results than a simulator.

Therefore, it is usually best to use a simulator for initial testing and development, as it will provide a lower-fidelity, high-speed testing environment with fast feedback, while using an emulator will provide more accurate results, but may come at the cost of slower testing speeds.

//Examples of simulators: Google's Android Emulator, Apple's iOS Simulator
//Examples of emulators: QEMU, Microsoft's Windows Phone Emulator 

Different Types of Mobile Applications

There are three major types of mobile applications:

  1. Native Applications: These applications are built for specific mobile operating systems, such as Android or iOS, and are downloaded from their respective app stores. These applications are known to have excellent performance, user interface, and integration with device features like camera, GPS, etc.
  2. Web Applications: These applications are accessed through a web browser on a mobile device and do not require downloading or installation. These applications are cost-effective as they can be created using web technologies like HTML, CSS, and JavaScript for cross-platform compatibility, but they do not have full access to device features like native applications.
  3. Hybrid Applications: These applications are created using a combination of both native and web technologies. Hybrid applications can be developed once and deployed on multiple platforms, making it a cost-effective option. It provides a balance between performance and cross-platform compatibility but may not have full access to all device features.
// example use of native application
public class MyNativeApp {
   public static void main(String[] args) {
      // app code here

// example use of web application
public class MyWebApp {
   public static void main(String[] args) {
      // app code here

// example use of hybrid application
public class MyHybridApp {
   public static void main(String[] args) {
      // app code here

Important Mobile Application Tests

When testing mobile applications, some of the essential tests that should be performed are:

1. Installation Testing<br>
2. Compatibility Testing<br>
3. Performance Testing<br>
4. Security Testing<br>
5. User Interface Testing<br>
6. Functional Testing<br>
7. Usability Testing<br>
8. Interrupt Testing<br>
9. Localization Testing<br>
10. Recovery Testing

These tests ensure that the mobile application is functioning correctly, efficiently and meets user expectations.

Server Machine Requirement for Running Appium Tests

It is recommended to have a server machine for running Appium tests, but it is not mandatory.

Types of Tests Compatible with Appium

Appium is suitable for conducting the following types of testing:

- Functional testing
- Regression testing
- Compatibility testing
- End-to-end testing
- Cross-platform testing
- UI testing

These tests can be performed on Android and iOS platforms using Appium.

Major Advantages of Using Appium on Sauce Labs over Local Usage

There are several advantages to using Appium on Sauce Labs instead of using it locally:

1. Easy Setup: Setting up Appium on a local machine can be a time-consuming process with various dependencies to install and configure correctly. With Sauce Labs, you can skip all the setup and configuration hassles as it provides Appium pre-installed on its cloud platform.

2. Broader Device Coverage: It is not feasible to have all physical devices for testing in-house. Sauce Labs provides a cloud platform with a vast range of real, virtual, and emulated devices to test applications across multiple platforms and operating systems.

3. Parallel Testing: When conducting testing locally, one device can be tested at a time, which makes the process slower. Sauce Labs provides the ability to run multiple tests in parallel, which saves time and increases efficiency.

4. Better Testing Environment: Testing on Sauce Labs provides a more controlled testing environment that is not affected by machine specifications and configurations, network issues, or operating system updates.

5. Seamless Integration: Sauce Labs integrates easily with other tools such as Jenkins, CircleCI, and Travis CI, which makes the testing process more streamlined and efficient.

Overall, using Appium on Sauce Labs offers a more efficient, cost-effective, and thorough testing experience.

General Responsibilities and Structure of a Mobile Application Testing Framework

A mobile application testing framework is responsible for ensuring that a mobile app is functioning as intended and meeting the required specifications. It involves the creation and implementation of test cases and suites to evaluate the app's functionalities and to identify any defects or issues.

The general structure of a mobile application testing framework typically consists of three layers:

1. Presentation Layer - includes the user interface and app navigation.

2. Application Logic Layer - consists of the business logic of the app, including the main functionality of the app.

3. Data Layer - includes the data storage and retrieval mechanisms used by the app.

The testing framework includes automated and manual testing processes, and the testing team follows a testing strategy that outlines how testing will be performed and what metrics need to be tracked during testing. The framework also includes tools and scripts to streamline the testing process and make testing more efficient and effective.

In summary, the mobile application testing framework is responsible for ensuring that a mobile app meets the necessary requirements and functions as intended. It upholds the quality of the app and ensures that it provides a smooth and reliable user experience.

Prerequisites for Running Appium Tests on an Android Application Locally

Before running tests on an Android application using Appium on your local machine, the following prerequisites must be fulfilled:

1. Java Development Kit (JDK) must be installed and configured properly. 2. Android Studio must be installed and configured properly. 3. Android SDK must be installed and configured properly. 4. Appium server must be installed and configured properly. 5. Appium Java client library dependency must be added to the project. 6. An emulator or physical device must be connected and configured properly. 7. The desired capabilities for the test must be specified in the test script. 8. The Android application's APK file must be available to be installed. 9. The test script must be written in a programming language supported by Appium, such as Java, Python, or Ruby.

By fulfilling these prerequisites, you will be able to run tests on your Android application using Appium on your local machine.

Understanding Appium Inspector:

Appium Inspector is a graphical user interface tool that comes bundled with Appium Desktop and Appium Studio. It allows the automation tester to inspect and interact with the UI elements of a mobile application, view the hierarchy of the elements, and create XPath or ID locators for them. This tool helps in identifying the elements to be automated and verifying their UI properties during automated testing. By using Appium Inspector, automation testers can easily automate their tests without having to write complex code for identifying and interacting with elements.

Appium Architecture

Appium follows a client-server architecture where the Appium server acts as a RESTful API that listens to client requests and executes them on the device. The client can be in any programming language and can communicate with the Appium server using the JSON wire protocol. The architecture of Appium consists of four main components:

  1. Appium Clients: Clients are the test scripts that communicate with Appium server and execute commands. Appium clients can be written in any programming language that has the capability to make HTTP/HTTPS requests.
  2. Appium Server: Appium server is the central component that receives client requests and translates them to UIAutomation (for iOS), UIAutomator (for Android) or Selenium WebDriver (for mobile web) commands. The Appium server is written in Node.js and starts a session with the mobile device when a new client request is received.
  3. Mobile Device: The mobile device is where the testing actually happens. Appium uses vendor-provided automation frameworks (such as UIAutomation or UIAutomator) to drive the user interface of the mobile app being tested.
  4. Appium Clients Libraries: These libraries are client libraries that wrap Appium commands for specific languages, such as Java, Python, Ruby, etc. They provide a more user-friendly way to interact with the Appium server using the programming language of choice.

In summary, the Appium architecture allows for cross-platform testing by allowing clients to communicate with the Appium server using any programming language, and using vendor-provided automation frameworks to interact with the user interface of the mobile app being tested.

// Appium client code written in Java

import io.appium.java_client.remote.MobileCapabilityType;
import org.openqa.selenium.remote.DesiredCapabilities;

public class AppiumTest {
    public static void main(String[] args) throws MalformedURLException {
        DesiredCapabilities desiredCapabilities = new DesiredCapabilities();
        desiredCapabilities.setCapability(MobileCapabilityType.PLATFORM_NAME, "Android");
        desiredCapabilities.setCapability(MobileCapabilityType.PLATFORM_VERSION, "10.0");
        desiredCapabilities.setCapability(MobileCapabilityType.DEVICE_NAME, "emulator-5554");
        desiredCapabilities.setCapability(MobileCapabilityType.AUTOMATION_NAME, "UiAutomator2");
        desiredCapabilities.setCapability(MobileCapabilityType.APP, "path/to/your/apk");

        URL remoteUrl = new URL("http://localhost:4723/wd/hub");

        AndroidDriver driver = new AndroidDriver(remoteUrl, desiredCapabilities);

        // Perform tests on app
        driver.findElementById("").sendKeys("Hello Appium!");

Understanding and Best Practices for End-to-End Mobile Testing Automation

End-to-end mobile testing automation refers to the process of testing all aspects of a mobile application, from its functionality to its appearance, and how it performs under different scenarios. In mobile testing, there are various factors that should be kept in mind to ensure that the entire testing process runs smoothly and effectively.

Some of the essential things to consider while performing end-to-end mobile testing automation are:

1. Selecting an appropriate automation tool that supports the testing of various devices, screen sizes, and OS versions.

2. Identifying the testing scenarios for the application, user behavior, and usage patterns.

3. Implementing a robust mobile test automation strategy that involves both manual and automated testing to mitigate risks and prevent issues from being released to production.

4. Paying more attention to the app's user experience (UX) by testing its design, layout, and navigability.

5. Integrating with Continuous Integration/Continuous Deployment (CI/CD) tools for consistency and faster feedback on any issues.

6. Ensuring that the tests are executed on real devices, different networks, and under different environmental and usage conditions.

By keeping these things in mind while performing end-to-end mobile testing automation, the testing process can be made more efficient, effective, and reliable, ensuring that the app is thoroughly tested before it is released to users.

Understanding Mobile Application Testing and Its Differences from Mobile Testing

Mobile application testing refers to the process of testing a mobile application to ensure it performs as expected and meets the requirements of the end-user. This includes testing all aspects of the application, such as functionality, usability, performance, security, and compatibility across different devices and operating systems.

On the other hand, mobile testing, in general, refers to the testing of mobile devices and their features, such as hardware components, network connectivity, user interface, and operating systems.

The key difference between the two is that mobile application testing focuses specifically on testing the application itself, while mobile testing covers a broader range of testing activities related to mobile devices.

Mobile application testing is critical for ensuring the success of a mobile application in the market. By thoroughly testing the application, developers can identify and fix any issues before it is released to the public, therefore, providing a better user experience and minimizing the risk of negative reviews and uninstallations.

// Sample code for mobile application testing

Explanation of the JSON Wire Protocol used by Appium

The JSON Wire Protocol is a text-based protocol used to interact with mobile devices through Appium. It allows clients to send commands to the Appium server, which then forwards these commands to the corresponding mobile device.

The protocol uses a JSON (JavaScript Object Notation) format to exchange information between the client and server. The client sends a JSON object with the required command and its parameters to the server, which in turn sends a response in the form of another JSON object.

The JSON Wire Protocol defines a set of commands for various mobile device interactions such as launching an app, clicking a button, swiping, etc. Clients can use these commands to automate tests and interact with mobile devices in a programmatic way.

Appium uses the JSON Wire Protocol to communicate with both Android and iOS devices. The protocol is supported by various libraries and frameworks in multiple programming languages such as Java, Python, Ruby, and JavaScript.


  "desiredCapabilities": {
    "platformName": "Android",
    "platformVersion": "9.0",
    "deviceName": "Pixel 2",
    "appPackage": "",
    "appActivity": ""

Here's an example of a JSON object that can be used to launch the Calculator app on an Android device using Appium.

Understanding Appium Sessions in Appium Framework

Appium Session in the Appium framework refers to a communication channel between the Appium client and the Appium server. This session is initiated when an Appium client sends a request to the Appium server, which then launches the specified mobile app in the device or emulator/simulator.

During the Appium session, the client sends various requests to the server, such as finding an element in the app or executing a specific command. The server responds to these requests by performing the requested action in the app and returning an appropriate response to the client.

The session ends when the client sends a command to the server to quit the app or when the connection between the client and server is lost. Appium allows multiple sessions to be initiated simultaneously, enabling automated testing of multiple apps on different devices or emulators/simulators at the same time.

Overall, Appium sessions play a crucial role in enabling seamless communication between the Appium client and server, allowing for effective automation testing of mobile apps.

Understanding Desired Capabilities in Appium

In the Appium framework, Desired Capabilities refer to a set of key-value pairs used to set various properties of UI automation tests on mobile devices. These capabilities enable Appium to establish a connection with the device and execute the test script.

Here's an example of setting Desired Capabilities in Java:

// Create an instance of Desired Capabilities
DesiredCapabilities capabilities = new DesiredCapabilities();

// Define device-related capabilities
capabilities.setCapability("platformName", "Android");
capabilities.setCapability("platformVersion", "10.0");
capabilities.setCapability("deviceName", "Samsung Galaxy S20");
capabilities.setCapability("udid", "R58N63G3KRL");
capabilities.setCapability("appPackage", "com.example.myApp");
capabilities.setCapability("appActivity", ".MainActivity");

// Define test-related capabilities
capabilities.setCapability("automationName", "UiAutomator2");
capabilities.setCapability("noReset", true);
capabilities.setCapability("newCommandTimeout", 600);

// Create an instance of AppiumDriver
AppiumDriver driver = new AndroidDriver(new URL(""), capabilities);

In this example, the Desired Capabilities are used to specify the platform name, version, device name, app package and activity, automation name, and other relevant properties. By setting these capabilities, Appium can initiate a connection with the device, install the specified app, and execute the test script.

It's important to note that Desired Capabilities may differ depending on the type of application and the target platform. Therefore, it's essential to refer to the Appium documentation and the specific platform documentation for accurate and updated information.

Testing in a Multi-Threaded Environment with Appium

Is it possible for a tester to execute tests in a multi-threaded environment while utilizing Appium?

Can JavaScript be Used to Interact with Applications During Appium Testing?

Yes, it is possible to use JavaScript to interact with applications while running Appium tests. Appium supports various programming languages, including JavaScript, to write test scripts. JavaScript bindings for Appium, such as and Nightwatch.js, allow testers to use JavaScript to control the Appium server and interact with the application under test. With JavaScript, testers can write code to automate UI interactions, perform assertions, and handle device actions during the test execution.

Understanding Appium Package Master and Creating a Package

Appium Package Master is a tool that helps in managing Appium test script packages. It facilitates grouping of test scripts into a single package, allows us to execute the tests together and also helps in maintaining the dependencies between test scripts.

To create an Appium package, we first need to group the desired test scripts together. We can create a new directory for each package and add the test scripts to this directory. We also need to ensure that all the dependencies required by these scripts are installed and available in the test environment.

Once the scripts and dependencies are in place, we can compress the directory into a .zip or .tar.gz file to create the package. This package can be stored on a server or shared with colleagues for testing or execution.

To execute the test scripts from the package, we can extract the package to a desired location on the test environment and use Appium to execute the scripts either individually or as a group.

Note that Appium Package Master is not a built-in feature in Appium, rather it is a tool that can be developed and customized based on the specific requirements of the test team or organization.

Appium Interview Questions for Experienced: Explain How Appium Works

Appium is an open-source automation framework that allows you to test mobile applications on various platforms and devices. It is known for its cross-platform capability and support for multiple programming languages like Java, Python, Ruby, etc. Here is a brief explanation of how Appium works:

Appium works by interacting with the UI elements of a mobile application through a series of driver instances. Each driver instance represents a unique device or emulator, identified by its capabilities. It sends a sequence of commands to the app, using the JSON wire protocol to perform operations like clicking buttons, selecting text fields, and navigating through menus.

To start an Appium test, you need to set up your desired capabilities, which include the platform name, the device name, the app package name, and activity name. You also need to specify the Appium server address and port number to connect to. Once the test connection is established, you can start writing test scripts in your preferred programming language and using Appium's API to interact with the application.

One of the most significant advantages of using Appium for mobile testing is its cross-platform compatibility with iOS, Android, and Windows devices. This eliminates the need to write multiple test scripts for each platform, reducing the overall time and effort required for testing. Additionally, Appium's ability to support real devices, cloud-based devices, and emulators gives testers the flexibility to test their applications in a variety of environments and scenarios.

Difference between Appium and Selendroid

Appium and Selendroid are both open-source automation frameworks for mobile applications, but there are some differences between them. The main differences are:

1. Platform Support:

Appium supports Android, iOS, and Windows phone, while Selendroid only supports Android.

2. Architecture:

Appium uses the client-server architecture where the Appium server is the core component that interacts with the device and client libraries communicate with the server. Selendroid uses a pure client-server architecture where the Selendroid server is embedded within the application under test and communicates directly with the device.

3. Automation APIs:

Appium uses the WebDriver API that was developed for web automation and extended for mobile automation. Selendroid uses its own automation API that is similar to the WebDriver API

4. Multi-App Testing:

Appium allows for testing of multiple applications within a single test session while Selendroid only supports testing of the application under test.

5. Testing Tools Integration:

Appium can be integrated with several testing tools including TestNG, JUnit, and Cucumber while Selendroid has limited testing tool integration.

Difference Between Appium and Robotium

Appium and Robotium are both popular automation testing frameworks for mobile applications.

  • Appium is an open-source, cross-platform automation testing tool that supports testing for both Android and iOS applications. It allows users to write tests in multiple languages, including Java, Python, Ruby, and more. It also supports automation for hybrid and mobile web applications.
  • On the other hand, Robotium is a proprietary automation testing tool that is specifically designed for Android applications. It allows users to write tests in Java and provides robust functionality for testing UI components such as buttons, text fields, and more.

In summary, while Appium is more versatile and can be used for both Android and iOS applications as well as web applications, Robotium is more focused on providing testing solutions for Android applications only.

Differences Between Open Source, Vendor, and In-House Tools

Open Source Tools: These are software tools that are developed by the community and made freely available to anyone for use and modification. Open source tools often have a large community support, but may lack formal support and documentation.

Vendor Tools: These are software tools developed by a company and sold to customers. Vendor tools usually come with formal support and documentation, but may be more expensive than open source or in-house tools.

In-House Tools: These are software tools developed within an organization for their own use. In-house tools can be customized to fit specific needs, but may lack the formal support and documentation of vendor tools.

When choosing between these types of tools, organizations should consider factors such as cost, customization needs, support, documentation, and ease of use.

// sample code demonstrating how each type of tool may be used for a specific task

// Open Source Example
// Using the open source tool "WordPress" to create a blog website

// Vendor Example
// Using the vendor tool "Salesforce" to manage customer relationship management (CRM)

// In-House Example
// Developing an in-house tool to track employee vacation time off requests and approvals

Difference Between Appium and Calabash

Appium and Calabash both are mobile app automation testing frameworks. However, there are quite a few differences between them:

1. Language: Appium supports a variety of programming languages such as Java, Ruby, Python, and JavaScript, among others, whereas Calabash is based on Ruby only.

2. Platform Support: Appium supports both iOS and Android platforms, as well as Windows and Mac OS X, while Calabash was originally designed for only iOS, but now it also supports Android.

3. Structure: Appium is based on the WebDriver protocol and uses the JSON wire protocol to interact with mobile devices. In contrast, Calabash is based on Cucumber and uses the natural language Gherkin syntax.

4. Maintenance: Appium is an open-source framework maintained by a community of developers, while Calabash is sponsored by Xamarin, a Microsoft subsidiary.

5. UI Object Identification: Appium uses the UI Automator for Android and XCUITest for iOS to identify the UI elements, whereas Calabash implements its own API to interact with the elements.

In summary, both Appium and Calabash have their own advantages and limitations. The choice of framework depends on the specific requirements of the project and the preferences of the development team.

Difference between Appium and Selenium

Appium and Selenium are both automation testing tools used for testing web and mobile applications. However, there are some key differences between the two:

  • Platform: Selenium is primarily used for testing web applications and supports various web browsers such as Chrome, Firefox, Safari, etc., while Appium is used for testing both Android and iOS mobile applications.
  • Language Support: Selenium supports multiple programming languages such as Java, Python, C#, etc., whereas Appium only supports Java and JavaScript.
  • Installation: Installing and setting up Selenium can be more complex, while Appium is easier to install and set up.
  • User Interface: Selenium has its own IDE (Integrated Development Environment) for creating automated test scripts, whereas Appium relies on third-party IDEs such as Eclipse or Android Studio.

Both tools have their own strengths and weaknesses and can be used according to project requirements.


Is Automation Testing a Complete Replacement for Manual Software Testing?

There is no straightforward answer to this question as it depends on the specific requirements and circumstances of a project. While automation testing can improve efficiency and reduce the chances of human errors, it still cannot replace manual software testing entirely. Manual testing is essential for testing usability, user experience, and other subjective factors that cannot be automated. Additionally, automation testing requires significant initial setup and maintenance costs that may not be justifiable for small projects or projects with frequent changes. Thus, finding the right balance between manual and automation testing is crucial for the success of any software testing project.

Tests that cannot be performed with an emulator but can be performed with a real device:

1. Hardware-specific tests such as testing the accelerometer, compass, and gyroscope.

2. Battery life testing and performance under low battery conditions.

3. Network testing under weak signal conditions.

4. Testing the camera and microphone.

5. Testing device compatibility with external hardware such as Bluetooth devices.

6. Testing the impact of incoming calls and text messages on the app's behavior.

7. Testing different screen resolutions and sizes.

8. Testing app behavior during device interruptions such as low memory, orientation changes, and background app killing.

9. Testing the app's behavior during various power modes such as sleep and wakefulness.

Note: Emulators are useful for initial testing and development, but it is always recommended to test the app on real devices to ensure a seamless user experience.

Basic Requirements for Writing Appium Tests

Writing Appium tests requires the following basic requirements:

- A programming language such as Java, Python, Ruby, or JavaScript. 
- An Integrated Development Environment (IDE) such as Eclipse, IntelliJ, or Visual Studio Code.
- Appium client library for your preferred programming language.
- Appium server to test the application on simulators or real devices. 
- Relevant dependencies based on the programming language you choose.

Once you have satisfied these basic requirements, you can begin writing your Appium tests using the appropriate syntax of your preferred programming language. Your tests should interact with the Appium server to automate actions on the application being tested and perform asserts to ensure expected results are obtained.

List of Debugging Tools in Appium:

There are several debugging tools that can be used in Appium to ensure that the mobile application is running seamlessly. These tools include:

- Appium Desktop<br>
- Android Debug Bridge (ADB)<br>
- Chrome Developer Tools<br>
- UI Automator Viewer<br>
- Selendroid<br>
- XCUITest<br>
- Visual Studio App Center Test<br>

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