Top 30 mobile testing interview questions and answers

Introduction

The increase growth in mobile usage is more rapid than always before thanks to worldwide digital transformation waves. To serve such uprise customer ’ s demand, most software applications have an equivalent mobile-app variant. This accelerate proliferation of mobile applications force businesses to put more accent on & nbsp;.

With such substantial growth in the mobile industry, there are unbelievable vocation opportunities in the peregrine prove field. For those prepare to face mobile testing interview questions when hold for a QA job, this list of contents below will set the stage to get you in the groove.

Definition, Types & amp; Functions of Mobile Testing

1) What is mobile application testing?

means a process in which an coating germinate for handheld roving devices is tested to ensure its functionality, serviceableness, and consistency. Testers can execute mobile application testing or .

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2) Why is mobile test critical for businesses today?

Testing is an indispensable part of every package ontogenesis summons. Mobile application is no exception: the grow number of mobile devices gives ascent to a monolithic operation system fragmentation, blind size, and more. That is why tremendous attempts are made by QA teams to ensure the user ’ s unseamed experience across various mobile devices without functionality bug and issues. By putting the roving application through rigorous examination, the product team can raise the app ’ s valuation, as well as customer satisfaction for valuable referral for even more downloads.

Moreover, , mobile mechanisation examination is also experiencing a steady upward trend in the preceding year. You can download the report to get the modish insights on the industry.

3) What is the key difference between mobile gimmick testing and mobile application testing?

Mobile device testing examines a device ’ s quality – by validating its hardware and software functions.This operation aims to examine features, i.e., screen, remembering, camera, applications. It also consists of factory testing and enfranchisement testing.

Alternatively, mobile covering testing means testing the roving covering on different mobile devices to ensure its consistency and functionality. After this process, you can mensurate the targeted application ’ s quality, whether it is well-suited for the device in terms of ironware, software, mesh connectivity, etc.

4) How many case of mobile applications? What are they?

There are three types of mobile applications:

• Native Application& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  A native application is a software application establish in a specific programming language for the particular device platform, iOS or Android. It can be easily installed into your device and available in the application store (Google Play for Android and App Store for iOS), for example, WhatsApp or Facebook.
• Web Application& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  A web application runs inside a mobile web browser, such as Chrome, Firefox, Opera, Safari employ a mobile network or WIFI. For instance, some of the web applications are m.facebook.com, m.gmail.com, etc.
• Intercrossed Application& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  A hybrid application is a combination of a native app and a web app. Even though this eccentric of application can be establish on a gimmick just like a native app, it is a web app build with HTML, CSS, or JavaScript and runs in a webview.

5) List out the type of wandering app test

• Usability Testing
• Compatibility Testing
• Interface Testing
• Services Testing
• Low-level resource Testing
• Performance Testing
• Operational Testing
• Installation Testing
• Security Testing

6) What are the common challenge in mobile covering test faced by most testers?

• Executing test cases with respective function systems
• Testing application ’ s functionalities on a broad range of handsets
• Screen sizing fragmentation
• Testing applications on different roving networks
• Different application types (native, hybrid or web app) require different ways to test
• The choice of the right mobile testing tool for QA team

Mobile Testing Planning and Strategy

7) What types of mobile testing should be included in the Android testing scheme?

A standard Android strategy can include these testing case:, scheme testing,, and operation testing dependent to the features available of the tested mobile application. Former types of tests would also be performed if required, depending on the coating ’ s feature.

8) What is the strategy expend to test a new mobile app? Which typewrite of screen should be included?

A comprehensiveshould be planned based on specific & nbsp;to fix an effective execution of a new mobile application. Here are some of the essential points:

• Selection of the device– Understanding the market ’ s requirement and the commonly used device will be extremely advocate before choosing the set of testing device. (This choice could be dependent on the stakeholder or the app builders ’ consideration)
• Utilizing emulator– The use of emulators is utile, especially in the initial stages of development, since they allow fast checking of the app. It is a scheme that runs software from one environment to another environment without vary the package itself. It also duplicates the characteristic and plant on the real scheme.
• Types of examination:& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  As for testing a new mobile application, several types of trial should be involved in order to see the app works as expected. Therefore, the scheme is all tied into these next character of testing:
  • Functional testing
  • System consolidation testing
  • Installation and uninstallation of the application
  • HTML control testing
  • Performance testing
  • Testing multiple mobile OS
  • Cross-browser and cross-device examination
  • Gateway testing
  • Network and battery testing

9) What does an automatise trial plan for Mobile App contain?

Similar to the program of other application under tests, a plan designed for automated nomadic application testing should include:

1. Testing scope and objectives
2. Selected automation tool
3. Required features to be tested: & nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
   – Performance & nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
   – Security & nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
   – Network & nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
   – Size & nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
   – Battery memory
4. Test cases
5. Test scheme
6. Person in complaint
7. Time soma
8. Resources required

10) List of the best practices for Android Testing

• Developers must prepare the test lawsuit when they are indite the code simultaneously.
• All of the test cases should be store and well-documented for reusability.
• Apply uninterrupted consolidation and execute tests once the code is modify
• Avoid utilize rooted devices and emulators to achieve the most reliable results

11) While planning to perform an end to end mobile testing, what are the chief criteria you have to consider?

In an end-to-end mobile testing process, QA team test the entire coating from beginning to end to ensure its flow behaves as expected. Throughout these step, there are some of the many critical requirements to consider:

• Is the application successfully installed across various mobile models, gadgets, and operating systems?
• Does the covering launch smoothly with or without a web?
• What are the orientations that the application supports and how do they work?
• Does the coating perform good on different kinds of device and network scenarios?
• How does the application respond when it is utilize? (i.e. response fastness and clip)

Performing Mobile Testing

12) What is the difference between simulators and ape?

Both Emulators and Simulatorsare practical device that are not real phones but have the same functionality as real handsets. The follow table shows the substantial difference between a simulator and an emulator:

See more on & nbsp;in Mobile Testing

SUSA automates exploratory testing with persona-driven behavior, catching bugs that scripted automation misses.

13) How to try CPU employment on roving devices?

There are multiple tools available on & nbsp;Google Play & nbsp;or App Storedesign for CPU custom screen, such as CPU Monitor, CPU Stats, Usemon, CPU-Z, etc. These are an modern tool that disc historical information about processes running on your device.

14) What are all major networks to be considered while execute coating screen?

Performance application try should continue all of the scenario on different networks: 4G, 3G, 2G, and WIFI. Although 2G is a slower network, it is better to test on a slower network in order to track the application performance.

15) When performing a sanity test on the mobile application, what criteria should be include?

• Installation and uninstallation of the application
• Performance in different useable networks: 2G, 3G, 4G, 5G, or WIFI.
• Functional testing
• Interrupt examine
• Compatibility quiz
• Application execution on other handsets
• The behavior of the application when enter invalid certification

Read more:

16) What is the best way to screen different screen sizes of the devices?

Using emulators is the nigh effective way in case there are many different screen sizes of devices to test.

17) What are the common glitch that would often be found during the mobile testing process?

In general, some mobile testers classify the nigh frequently-found bugs into the four types:

• Critical bug:The device ’ s operate system crashes when testing the covering ’ s particular feature.
• Block bug:Unresponsiveness of performance occurs even though the device status is still on.
• Major bug:A specific feature of the application is unable to perform its functionality.
• Minor bugs:GUI bug is ordinarily the independent case fall into a minor bug list.

Additionally, some other kinds of bugs are also found during the nomadic application screen process, for example:

• Slow execution of an coating
• Consumption more from the battery by an application
• Completely unresponsive behavior of an app

18) Explain how A/B examination is done for the iOS app?

The A/B testing for iOS can be done through three steps:

• Step 1:Configuring a test that prepares two versions of your iOS application (A & amp; B) with take test prosody
• Step 2:Testing both of the iOS variant above on devices simultaneously
• Step 3:Analyzing the test results to measure and take which will be the better version to release

19) When should a QA squad choose manual testing or automation examine for their mobile tryout projects?

Automation examination has immensely increase tester ’ speed and quality in the past decades. Understanding when to create such a transition, from manual testing to automated testing, is the first step to maximizing your team ’ s efficiency. Here are some of the critical point:

Manual Testing

• The application has new functionality.
• The application requires testing once or twice.

Automate Testing

• The release cycle needs a tumid amount of regression testing.
• The testing application requires complex scenarios.

Check out this clause to choose the right & nbsp;.

20) List of the most mutual trouble that examiner face while doing mobile screen on Cloud Computing

Executing wandering testing in Cloud Computing pose various challenge for both beginners and innovative testers.

• Subscription model:& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  Even though Cloud solution offers quizzer a twosome of reward, there is a persistent concern about the subscription model.
• High costs:& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  While Cloud services have been sell as cost-savings solutions, the realness is that these services can be more expensive. The challenge can arise from the cost of the talent need, the migration process to the team ’ s mobile try project.
• Difficulties in mobile automated testing:& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  As for some projects applying machine-driven testing, Cloud computing may come with a pain point for every examiner involved. Because nomadic mechanisation testing is image-based, executing & nbsp;would become more challenging and time-consuming. Moreover, automation testing can not be used outside the model.

21) What are the indispensable thing to remember while testing apps using the?

• The application ’ s compatibility with multiple devices
• The twist ’ s proper connection and disconnect while changing the IP or port address
• The capability to make calls and mail messages to former device
• The compatibility with multiple browser (Chrome, Firefox, Opera, etc.)

Mobile Testing Frameworks and Tools

22) What is an Android examination framework?

One of the most standard testing frameworks for Android applications is the Android testing fabric. It is comprised of three section:

• Application Package& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  It is the target coating that requires to be screen.
• Instrumentation Test Runner& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  This part of the framework function as a Test Case Runner, allowing test cases to run on the target application. It include two parts: an SDK puppet for construct tryout; and a tool that provides APIs for write program which command an Android device or an emulator outside of Android codes (i.e., MonkeyRunner)
• Test Package& nbsp; & nbsp; & nbsp;& nbsp; & nbsp; & nbsp; & nbsp;
  It dwell of two components: & nbsp;Test case classes and Mock objects. Test instance classes nominate test methods to perform the on-target application, while mock objects include mock data used as sample input for test cases.

23) What is a Robolectric examination model?

Testing applying the Android Testing framework with a device or an emulator is challenging. It guide the team ’ s tremendous development exertion and time in building and running tests. And the Robolectric examination model is considered as a result to address this challenge.

Robolectric framework allows testers to run Android trial now on JVM (Java Virtual Machine) without a device or an emulator ’ s want.

24) What is the modish variation of iOS?

The latest adaptation of iOS and iPadOS is 14.0. (This changes quite often, so please check the & nbsp;Apple sitefor the most late info)

25) What is the latest version of Android?

The modish version of Android is 12.0. The initial version of Android 12.0 was released on February 18th, 2021 on Google ’ s Pixel device. (This changes quite often, so please check the & nbsp;Android situationfor the most recent info)

26) What is the extension of Android file?

.apk (Android application package)

27) What is the extension of iOS files?

ipa (iOS App Store Package) file is an iOS application archive file that stores an iOS app. Each ipa file includes a binary and can merely be installed on an iOS device.

28) Suppose you need to execute a peregrine application examination, what would be the proficient criteria you will consider while selecting a test automation tool?

When choosing the most appropriate & nbsp;, in addition to affordability, it is essential to consider the following technical measure:

• Multiple platform support
• Application under test
• Script Usability
• Jailbreak Requirement
• Source Code Changes
• Lead time for new OS version

29) How many types of automation testing tools are uncommitted for mobile device?

For mobile testing, there are two eccentric of automation testing tools: object-based or image-based tools.

30) Can you name a few mobile examination tools that are compatible with Android and/or iOS?

Mobile examination instrument only used for Android testing:

• Robotium
• UI automator
• Selendroid (Selenium for Android)

Roving testing tools only used for iOS examination:

• KeepItFunctional
• iOS Driver

Mobile testing tools apply for both Android and iOS testing:

• Katalon
• Apptim
• 21
• Kobiton
• Appium
• MonkeyTalk
• Ranorex Studio
• eggPlant

31) List of some iPhone and iPad testing tools

• iPhone tester:Test the web interface on an iPhone ’ s size form
• Appium:Designed as a test automation tool employ with aboriginal and hybrid ios coating
• iPad Peek:Test the web application use an iPad ’ s interface
• Test Studio:This tool enable you to show, construct, and run machine-driven tests for your iPad and iPhone applications.

Ready to Succeed in Your Next Mobile Testing Interview

Mobile testing interview inquiry can be unlimited see the number of items and areas covered. Even though the above result may not comprehensively be applied in your audience, we hope that those will aid you & nbsp;and grow yourself in the mobile testing journeying.

Want to dig deeper into mobile testing beyond interview question? Check out our FREE Beginner 's Guide, packed with comprehensive insights and practical tips for your confident move to the world. & nbsp;

Should you have any suggestions on this list of interview questions, delight feel free to add it hither. We look forward to a better and more up-to-date leaning for all examiner. One more thing! Don ’ t hesitate to get your & nbsp; at Katalon Academy now! In addition to all of this, to best prepare for your interview, here are some topic-specific lists of interview questions: