11 Key Challenges & Solutions Of Mobile App Testing

Posted by Rileena Sanyal | October 8, 2021
Mobile App Testing •

4304 Views | 14 Min Read

mobile app testing challenges



Over the last decade, the usage of mobile devices has skyrocketed globally. According to Statista’s predictions, the number of smartphone users will surpass 1.5 billion in 2040. Hence, it is not hard to envision the enormous mobile app testing challenges that the current and future backend teams will be dealing with.


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Due to the surge in mobile devices, the demand for mobile applications has escalated worldwide. This has led to large organizations investing heavily in this domain, thereby increasing the need for a more conducive mobile device cloud testing solution. In this article on mobile app testing challenges and solutions, we will explore the top 11 mobile app testing challenges that riddle technical teams worldwide.

11 key mobile app testing challenges

Mobile app testing is definitely not an easy task. It requires a lot of effort and time to test applications on all platforms. There are various approaches to mobile app testing, but the most important thing for every developer is to build the best quality product that will meet users’ expectations. The main problem for testers is that there are lots of different ways to test apps. Each approach has its pros and cons, which can be tricky to determine in advance.

So, let’s take a closer look at the main challenges faced by mobile app testers.

1. Too many devices globally

1.38 billion smartphones were sold worldwide in 2020 and 1.53 billion so far in 2021. The numbers make it easy for us to guess the variety of mobile devices being used on the world forum. However, this creates trouble for the testing team since applications are expected to run smoothly on most such devices.

devices globally

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Hence, each app has to be compatible with most of the mobile variants present worldwide. To ensure an app will work on all or most devices, an organization requires an extensive infrastructure consisting of mobile app testing solutions and a physical hub of popular devices. As a whole, it can pose a considerable investment ordeal that early-age startups may not be prepared for.

2. Device fragmentation

Device fragmentation is one of the leading mobile app testing challenges since the number of active devices running an app at any given time increases every year. This can pose a significant compatibility issue since testing teams have to ensure these applications can not only be deployed across different operating systems (like Android, iOS, Windows, etc.) but also across various versions of the same operating system (like iOS 5.X and 6.X).

Device fragmentation

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However, you can overcome this challenge by using a cloud-based mobile app testing solution. A cloud-based mobile app testing interface makes it easier to:

  • Upload the app with just one click,
  • Test the app on numerous Android emulators and iOS simulators,
  • Monitor the quality of the apps,
  • Rely on the cloud to make speedy deliveries and more.

3. Different screen sizes

Companies across the globe design smartphones of varying screen specifications. Multiple variants of the same model have different resolutions and screen sizes to attract a broader range of consumers. Hence, there is a requirement for apps to be developed in conjunction with every new screen specification released in the market.

The screen size affects the way an application will appear on different devices. It is one of the most complicated mobile app testing challenges since developers must now concentrate on its adaptability to various mobile screens. This includes resizing the apps and adjusting to multiple screen resolutions to maintain consistency across all devices. This might turn out to be a challenge unless an application is thoroughly tested.

4. Numerous types of mobile applications

Mobile app development is a great way to increase your brand’s visibility, bring in new customers and provide a better user experience for current customers. With that in mind, let’s take a look at the three main types of mobile apps: native, web, and hybrid.

  • Native apps: Native mobile applications are those built for one specific operating system. Hence, apps built for iOS do not work on Android or other OS and vice versa. Native applications are fast, provide better phone-specific features, and have higher efficiency. Here, the mobile app testing challenges include ensuring such qualities are preserved and all features are compatible with the native UI of the device.
  • Web apps: Web applications are much like native apps, except users need not explicitly download the former. Instead, these apps are embedded within the website that users can access through web browsers on their phones. Web apps are thus expected to provide excellent performance on all devices. To ensure that they do, testing teams have to thoroughly check the app on a large variety of models. However, this is not only a time-consuming procedure but is also critical since failure to work on a few devices can significantly bring down the company’s business revenues.
  • Hybrid apps: Hybrid apps have the facilities of both web and native apps. They are essentially web applications that have been designed like the native ones. Such apps can be maintained easily and have a short loading time. Mobile app testing teams are responsible for ensuring hybrid applications do not lag on some devices. All their features are available on all operating systems with the capability to support said features.

types of mobile applications

Each type of mobile application poses a different kind of challenge for the technical teams. When concatenated, the complexity increases manifold, thereby making it a cumbersome process in totality. Testing mobile applications by automating repeated regression tests might ease the stress a little.

5. Mobile network bandwidth

Mobile network bandwidth testing is a significant part of mobile app testing. Users expect high-speed mobile applications that the backend team must ensure. But that is not all. An application that fumbles to produce faster results also performs poorly in terms of data communication.

An app that is not tested and optimized to suit the bandwidth of a variety of users will lag during the exchange of information between the end-user and the server. Therefore, the testing team should ideally test their apps and mobile websites in various network conditions to understand their response time in each case. This shall make the process a lot more efficient and the app much more sustainable.

6. Mercurial user expectations

Users across the globe expect different things from their smartphones. Companies comply by providing variations to attract their target audience. With variations in models come expectations as to what various applications running on these devices should do and how.

Users have high demands from the apps they use. They are constantly asking for new updates to make things easier for them. For example, users might want a separate button for their favorite feature at the top of the app’s home screen display.

As application developers, tech teams cannot help but bury their heads deep into giving their consumers what they want to ensure the user experience is stellar and business is on track. This process, however, keeps the testing team on their toes and might tend to elongate the mobile app testing procedure in several cases.

7. Seamless user experience

The success of an application depends mainly on how creative, contextually specific, and well-defined the user interface is. On the other hand, ensuring an app has all the required features might make it bulky and slow. Moreover, the application runs a risk of working exceptionally well on some devices and not on others.

This would mean poor consistency and might hinder users from shifting devices when required. Such things bring the user experience down. A consumer has no patience to understand developer deadlines and testing complexities.

Hence, the mobile app testing teams are always racing against time and other odds to ensure the user experience is not compromised. This can become a significant challenge unless the right cloud-based mobile app testing strategy is in place, mainly because poor user experience deteriorates the company’s credibility.

Also Read: Mobile Application Testing Strategy To Save Your Time

8. Security concerns

Security concerns are a huge roadblock for the mobile app testing team. Although private cloud-based mobile app testing tools like LambdaTest are secure, there are several concerns that app developers regularly face.

  • Easier access to the cache: Mobile devices are more prone to breaches since it is simpler to access the cache. Suspicious programs can therefore find easy routes to private information through mobile applications unless built and tested to nullify the vulnerabilities.
  • Poor encryption: Encryptions are the first walls between user data and malignant sources. Poor or no encryption in mobile applications can attract hackers like a moth to the flame. The initial half of 2020 witnessed data breaches that disclosed 36 billion records. Therefore, developers must build apps with more robust encryption coding and then the app testing team to ensure the encryption works well.

The process is one of the most crucial mobile app testing challenges since relevant teams have to run all possible test cases to ensure the application is going from the encryption side.

A cloud-based cross device testing solution like LambdaTest, which is GDPR, ISO 27001, CCPA, and SOC2 compliant, can help QA testers to run their tests on the cloud to assure accuracy and proximity to real users conditions.

9. Strict deadlines

User demands are often overbearing, making companies run on a strict schedule to deliver apps. Patchwork, bug fixes, and upgrades are other requirements that keep developer and testing teams on their toes. All of this requires constant and fast mobile app testing procedures.

Given the complexity of testing mobile apps, which includes testing not only on mobile app emulators and simulators but also on the available physical devices, testing teams are often in a fix when it comes to deadlines. More often than not, the strict schedules make it difficult for the technical team to perform extensive tests.

10. Heavy battery usage

Mobile app testing involves testing for heavy battery usage. This is challenging because a truly diverse application should run on almost any battery without draining the device. Unfortunately, the last few years witnessed a surge in apps that are hard on the battery. To deal with this, mobile manufacturing companies across the globe started providing stronger batteries.

However, user dissatisfaction cannot be neglected in the case of apps that still seem to drain their batteries considerably. One of the significant mobile app testing challenges is testing apps to see they are not drawing power, even heavy. Minimizing battery drainage is of utmost importance to ensure a stellar user experience.

11. Too many app testing tools

There is a wide range of cloud-based mobile app testing tools not built from a one-size-fits-all perspective. There are separate tools for the different kinds of applications, some more which only test Android apps and others that check the ones for iOS. There is no shortage of platforms and tools that test applications of all specifications.

However, rather than being helpful, they often make the process more complicated. For example, technical teams might find it confusing to select the perfect platform to test most of their apps, if not all. In addition, subscribing to the many such paid software can be heavy on the company’s budget, while relying on free tools can invite other troubles like data breaches and below-par results.

Also Read – The Ultimate Mobile App Testing Checklist

Overcoming mobile app testing challenges

The main issue with testing mobile apps is the limited availability of real devices for testing purposes. Here are a few solutions to help you overcome the above mobile app testing challenges.

Mobile emulators (Android and iOS)

Emulators are often used for speedy and cost-effective mobile app testing, but they don’t always provide reliable test results. The whole point of using an emulator is to run the software without actually installing it on a real device. The mobile app emulators can be installed on your development machine, and after that, any number of tests can be run on the emulator without the need to install it on a real device.

Mobile emulators will never replace real devices, but they provide a good way of running initial tests without dealing with all the hardware and OS differences among real devices. You should also remember that emulators can never recreate all the features of a real device, such as touch gestures, accelerometer, etc. However, it’s better to understand the emulator vs simulator difference in detail before deciding which to choose.

Also Read: Mobile Application Manual Testing Strategy

Using standard protocols common to all devices

One way to decrease the complexity of the mobile app testing process is to adhere first to the protocols common to all devices. This can include features like GPS, camera, audio, and video, etc. Prioritizing procedures like localization and internalization testing help users operate their apps better irrespective of where and what they are doing. Once the standard tests are performed, tests specific to the operating system or its different versions can be conducted.

Also Read: An Ultimate Mobile Experience Drives 73% Of E-Commerce Sales

Leverage cloud-based platform for mobile app testing

For companies with stringent app testing requirements, it might be good to set up an infrastructure to support the demands. For example, a physical lab consisting of mobile devices of various specifications and a cloud-based mobile app testing system can together form a robust combination ideal for in-house testing.

Otherwise, mobile device cloud testing platforms like LambdaTest can be approached to help with the procedure. LambdaTest is a cloud-based cross browser testing tool that utilizes emulators and simulators to provide accurate app performance reports.

LambdaTest provides you with a wide range of Android emulators and iOS and simulators that help you test and release bug-free and performant apps. Moreover, you can upload your application’s APK, App, or ZIP file in one click directly from the LambdaTest platform.

cloud-based platform

Here’s a short glimpse of cloud-based mobile app testing offered by LambdaTest:

Also Read: Mobile App Testing is Now LIVE On LambdaTest!

However, you can follow the LambdaTest YouTube Channel by scanning the below QR code and stay up to date with the latest tutorials around mobile app testing, test automation, and more.

Conclusion

The above article aimed to provide a holistic view of the top 11 mobile app testing challenges that technical teams across the globe encounter. We have also tried to explore the essential solutions to deal with the issues. However, readers need to remember that each challenge is unique to the team that experiences it. Hence, it is best to keep investigating and seeking help wherever necessary. We have also seen how we can leverage cloud-based mobile app testing tools like LambdaTest to overcome the challenges of mobile app testing.

Frequently Asked Questions

Why Mobile Testing Is Tough?

Mobile testing is a massive challenge. Mobile apps are used on various devices, over different networks and operating systems, using different hardware. So, when you’re testing on the go, you need to think about the whole range of performance issues – poor networks, good networks, network changes like Wi-Fi to 3G or 4G and vice versa, memory leaks, battery consumption issues, and more.

Why Is App Testing Important?

Mobile app testing is an important phase in the mobile app development lifecycle, with the following objectives: to verify that the product (the Android or iOS app) is working as expected; to locate and correct errors; to guarantee that it can be downloaded and installed; to check that the interaction with the supporting backend works properly.

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