Top 25 Mobile Testing Interview Questions and Answers in 2024

Editorial Team

Mobile Testing Interview Questions and Answers

In this day, the growth rate of mobile usage is accelerating. Most software applications have mobile app counterparts to accommodate these growing client demands. This increasing prevalence of mobile applications compels firms to emphasize mobile testing more. This post will help people planning to face mobile testing interview questions while applying for a QA position to prepare for their upcoming interview.

1. How Would You Define Mobile Application Testing?

Mobile applications are crucial to the success of any organization, and testing is necessary to assure their functionality. Mobile application testing refers to verifying an application’s operation, usability, and consistency on handheld mobile devices. Mobile testing examines an application’s functionality, usability, performance, stability, and consistency. Every firm should test its mobile application to satisfy all business and user requirements. It enables businesses to create scalable and accessible applications for multiple platforms. Additionally, an application’s quality, security, and user interface are examined.

2. What Is The Distinction Between A Simulator And An Emulator?

Both Emulators and Simulators are non-existent phones with the same capabilities as actual smartphones. A simulator is intended to generate an environment containing all of the software variables and configurations that will exist in an application’s actual production environment. In contrast, an emulator aims to simulate a production environment’s hardware and software features. It could examine both the source code and the corresponding hardware components. We could even assert that an Emulator could check the correctness of the product in every feasible way.

3. What Exactly Is The Robolectric Testing Framework?

Robolectric is a framework that provides Android with efficient and dependable unit tests. A tester can run tests on their workstation within the JVM in seconds. Unfortunately, it isn’t easy to test using the Android Testing framework with a device or an emulator. Building and executing tests require significant development time and effort from the team. And the Robolectric testing framework is viewed as a solution to this difficulty. The Robolectric framework enables testers to execute Android tests directly on JVM without requiring a device or emulator.

4. What Does Mobile Usability Testing Entail?

The mobile usability testing procedure aims to make the mobile product as user-friendly as possible, as the mobile product is evaluated based on how the end user interacts with it. It aids testers in evaluating the capabilities of their mobile app and facilitates user navigation. Testers should evaluate their application based on the following factors to measure the efficiency of their target audience: efficacy and satisfaction. It is crucial to test usability from the earliest stages of application development. Finally, the application has been submitted. Usability testing demands extensive user participation, and the results can influence the application’s design.

5. Mention A Few Available Automation Tools For Mobile Application Testing.

There are two types of mobile application testing automation tools available:

  • Object-oriented mobile testing software: This method is agnostic of screen size and is typically utilized on Android devices. The Jama solution and Ranorex are examples of object-oriented mobile testing solutions.
  • Image-based testing tool for mobile: It automates scripts based on screen coordinates. Some examples of this tool include RoutineBot and Egg Plant.

6. What Should A Mobile Security Test Include?

Any organization that places a high value on secure mobile applications must do security tests on all their mobile applications. Therefore, testers regard security tests to be significant tests. Mobile application security testing encompasses authentication, authorization, data protection, hacking vulnerabilities, and session management. This test verifies that there are no data loss-causing vulnerabilities. In addition, the test aims to discover potential dangers or vulnerabilities that may provide unauthorized access to personal data on mobile devices.

7. What Differentiates A User Agent From A Simulator?

The User-Agent is the program or software agent through which the user talks with the authorization servers. A user agent is essentially a web browser or mobile application. The User-Agent specifies the mobile’s internals, such as Make, Model, Resolution, etc. A user Agent is required to download relevant content to a mobile device. In contrast, a simulator tests the downloading process using many user agents to determine if a device is identified and specific content/build is sent over the air.

8. What Is The Difference Between Testing Mobile Devices And Testing Mobile Applications?

Mobile device testing refers to testing the mobile device itself, whereas mobile application testing refers to testing mobile applications on mobile devices. The quality of a mobile device is evaluated by confirming its hardware and software functionality. This procedure intends to test features, such as the display, memory, camera, and applications. It also includes testing in the production and certification testing. Alternately, mobile application testing involves testing the mobile application on several mobile devices to confirm its functioning and consistency. After completing this procedure, a tester can evaluate the quality of the targeted program based on its compatibility with the device’s hardware, software, and network connectivity.

9. What Is The Most Recent Version Of The Mobile Operating System Android?

Android 11 is the eleventh major release and the eighteenth version of the Google-led Open Handset Alliance’s mobile operating system Android. It was published on September 8, 2020, and represents the most recent version of Android to date.

10. What Is Mobile Vulnerability Testing?

The expanding use of mobile applications across many industries makes them more appealing to hostile attackers. Therefore, programs and websites must be highly secure. Consequently, mobile application penetration testing is conducted. Identifies every security flaw in iOS and Android applications. This initiative’s primary objective is to improve the security of mobile applications and the APIs, web platforms, and web services they employ. All parts that contribute to an application’s functionality must be tested.

11. Which Mobile Testing Types Should Testers Incorporate Into The Android Testing Strategy?

Unit testing, system testing, integration testing, and operation testing are some forms of testing that mobile testers should include in a conventional Android approach. The types of testing included will depend on the features that are accessible in the mobile application that is being tested. In addition, depending on the application’s capabilities, testers should carry out different types of mobile testing if they consider them necessary.

12. What Is The Testing Framework For Android?

The android testing framework is one of the most prevalent frameworks for testing Android applications. It consists of three sections:

  •  Test Package comprises two elements: Test case classes and Mock objects. Test case classes constitute test methods implementations for the target application, whereas mock objects include sample input data for test cases.
  • Application Package: The target application is the one that a tester should test.
  •  Instrumentation Test Runner: This framework component serves as a Test Case Runner, allowing test cases to execute on the target application. It consists of two components: an SDK tool for developing tests and an API tool for writing programs that operate Android devices or emulators without using android coding.

13. Why Is Mobile Testing Crucial For Organizations In The Current Technology ERA?

Testing is a crucial component of every software development process. Mobile applications are not an exception: the proliferation of mobile devices has led to a tremendous fragmentation of operating systems, screen sizes, and more. Consequently, QA teams exert great effort to ensure a seamless user experience across various mobile devices, devoid of functionality faults and difficulties. Furthermore, by putting the mobile application through rigorous testing, the product team may improve the app’s ratings and customer happiness, leading to additional downloads and recommendations.

14. What Is A Mobile A/B Test?

A/B testing, often known as split testing or bucket testing, is a method for testing multiple user experiences in mobile applications. A/B testing on mobile divides the audience into two (or more) groups and examines the effect of one variable on user behavior. It helps testers to determine and provide the optimal user experience. In iOS apps, A/B testing can be conducted in three steps:

  • Prepare two versions of the iOS application (A and B) with the necessary test metrics by configuring a test.
  •  Two tests concurrently with the previous iOS version.
  •  Test Analyzing results and selecting the best release version

15. What Are The Main Factors You Need To Consider When Planning To Do An End-To-End Mobile Test?

To make sure the application’s flow operates as expected, QA teams test the complete application end to end via an end-to-end mobile testing process. Some of the many essential requirements to keep in mind as you proceed through these processes are:

  • Has the app been successfully installed on various mobile devices, technology, and operating systems?
  •  Whether using a network or not, does the application launch without a hitch?
  • What are the supported orientations by the application, and how do they operate?
  • Does the program run smoothly across various network configurations and device types?
  •  How does the program behave when in use? 

16. What Are Testers’ Most Frequent Issues When Conducting Mobile Testing On Cloud Computing?

The following are common issues encountered by testers when executing mobile testing in the cloud:

  •  Subscription model: Although Cloud solutions provide testers with several benefits, the subscription model remains a source of concern.
  • High prices: Cloud services have been marketed as cost-saving solutions but can be more expensive. The difficulty may stem from the cost of the required talent or the team’s mobile testing project’s migration procedure.
  • Problems with mobile automated testing: As for certain projects employing automated testing, Cloud computing may be a challenge for every involved tester. Due to the image-based nature of mobile automation testing, executing test cases on Cloud computing would become more difficult and time-consuming. 

17. What Are The Most Frequent Bugs Discovered During Mobile Application Testing?

In general, several mobile testers divide the most common issues into four categories:

  •  Prevent bugs: performance is unresponsive even while the device is powered on.
  •  Major bugs: A feature of the application cannot execute its intended function.
  •  Minor bugs: GUI bugs are typically the most common type of minor bugs.
  •  Critical bugs: When testing a certain application functionality, the device’s operating system crashes.

Additionally, various types of defects are discovered throughout the process of testing mobile applications, such as sluggish application performance, an application’s increased battery consumption, and completely unresponsive app behavior.

18. When Should Manual Testing Or Automated Testing Be Selected For Mobile Testing Projects?

Automation testing has significantly improved testers’ speed and quality in recent decades. However, as a tester, understanding when to go from manual Testing to Automated Testing is the first step to increasing your team’s productivity. Here are several crucial considerations:

  • Automate Testing should be done when the release cycle necessitates extensive regression testing and the testing application demands complicated scenario testing.
  • Manual Evaluation should be done when new functionality has been added to the application, and the application requires testing once or twice.

19. What Are The Most Typical Obstacles Testers Face While Testing Mobile Applications?

  • Device Diversification and Diverse OS Platforms: Device fragmentation is perhaps the most difficult part of the mobile testing matrix. Even if the iOS device matrix is expanding faster than ever, fragmentation is particularly problematic for the Android operating system.
  • Using several operating systems to execute test cases
  • Testing application functionality on a variety of mobile devices
  • Examining applications on various mobile networks
  • Different application types (native, hybrid, and web) necessitate distinct testing strategies.
  • The QA team must select the best mobile testing tool.
  • Diverse Testing Methods: The market’s abundance of mobile test automation products is even more daunting than the formidable complexity of mobile test automation.

20. How Is Aws Device Farm Play Used In Mobile Testing?

AWS Device Farm is a mobile application testing service that enables mobile testers to test the quality of their applications on various desktop browsers and mobile devices. They can simultaneously execute tests on numerous desktop browsers or devices to accelerate the test suite’s execution. In addition, this technology provides videos and logs, enabling developers to discover app issues immediately. AWS tests applications (native, hybrid, web) on numerous devices (phones, tablets) to ensure high quality and to provide results within minutes if bugs or performance issues are discovered.

21. When Using A Black Box Approach To Test A Mobile Application, What Are Some Of The Factors That Should Be Considered?

  • Before you call it a day, do not forget to test the application on different browsers, including Internet Explorer, Chrome, Firefox, Opera, and Safari.
  •  Do not overlook the importance of testing the application on various devices.
  • Whenever you change the IP address or the port number, check to see that it is correctly connected or unplugged before adjusting.
  • Send the same message several times to a variety of devices.

22. How Can We Test The CPU Use Of A Mobile Device?

CPU activity is significant since it affects device performance, battery consumption, and overheating. However, a limited number of built-in tools offer rudimentary insight into the background activities of specific programs. CPU Monitor, Stats, Siemon, and CPU-Z are among the many programs available on Google Play and the App Store for CPU utilization testing. This sophisticated utility logs historical information about running processes on a device.

23. What Are The Different Types Of Mobile Application Testing?

The Following Are Some Of The Several Types Of Mobile Application Testing:

  • Performance test: this test assesses the application’s performance. The application is continuously and steadily loaded in this test until a predetermined threshold is met.
  • Functionality test: The test verifies whether or not the application is functioning properly.
  • Usability Testing: This testing assesses an application’s intuitiveness and usability and identifies flaws to enhance the user experience.
  • Installation Test: The application undergoes this test to confirm that it downloads, installs, and uninstalls correctly, as well as that it processes new updates without hiccups.

24. What Are The Most Effective Android Testing Procedures?

  • Developers must prepare test cases while simultaneously writing the code.
  •  All test cases must be archived and thoroughly documented for reusability.
  • Implement continuous integration and run tests whenever the code is modified.
  • Select an Appropriate Test Device: Choose an appropriate device for mobile testing by examining the app’s functionality requirements.
  •  Avoid utilizing rooted devices and emulators for the most reliable results.
  • Consider User Experience and Testing

25. What, In Your Opinion, Should Be The Criteria For Selecting A Test Automation Tool For Mobile Testing?

The test automation tool for mobile testing should meet the following criteria:

  • Source Code Alterations: Sharing source code might not always be possible.
  • Lead time for the New OS release: How quickly can a new iOS/Android/other OS version be supported?
  • Multi-platform support: Verify that the tool supports both your current and future target platforms
  • Text Readability: Object-based tools facilitate a high level of script usability.
  • Jailbreak Requirement: If the instrument employs rooted devices, it may not support the most recent OS version and may be incompatible with MDM settings.


These are some of the top 25 Mobile Testing Interview Questions that can greatly assist applicants who will soon be attending an interview in this field. Even though the following answers may not fully apply to your interview, we hope they will help you land a job and advance in your mobile testing career.