The Inevitable Need For Mobile App Quality Assurance
                     The Inevitable Need For Mobile App Quality Assurance
we highlight the main challenges with mobile app 
development and how we can address them through QA 
testing. 

The rapid increase in the number of mobile apps has brought a substantial rise in competition when it 
comes to mobile app development. According to Statistica, there were more than 6.5 million apps on 
Google Play and Apple App Store as of May 2018. Considering these huge numbers, one can say 
that there is a dedicated mobile app for almost every user’s needs. Consequently, if you plan to 
develop and launch a mobile app, you have to ensure that it’s going to be engaging and user-friendly, 
if not unique. A successful mobile app development strategy must focus on delivering great user 
experiences across devices. Quality assurance services ensure that a mobile app performs at its peak 
efficiency with minimal disruptions on all quality parameters.   
 
We, at Oodles, provide on-demand quality assurance services to deliver high-quality mobile app 
development experiences to clients. Our QA engineers use agile testing methodologies and advanced 
tools to ensure that your app performs seamlessly across devices. Based on our past experiences, 
we highlight the main challenges with mobile app development and how we can address them through 
QA testing.   
Common Quality Issues In Mobile App Development
Performance Issues
Performance issues are often linked with the scalability of a mobile app. In many cases, the app performs 
consistently well for a limited number of users. However, as the userbase increases, the app performance 
depreciates, resulting in bad user experiences. 
 
Usability Issues
These issues are reported generally when the user faces difficulties with the app interface. If some part of the app is 
not accessible for any reason, it negatively impacts on the overall user experience. Usability issues occur due to 
inefficacious QA software testing and the QA engineers must perform usability tests to avoid these instances.
 
Functionality Issues
Functionality issues are reported when several anomalies are detected in the app functionality, causing disruptions in 
the navigation flow. If a mobile app lacks a functional user interface, users will find it difficult to perform basic 
functions like signup/login, messaging, and app updates. 
Common Quality Issues In Mobile App Development
Security Vulnerabilities
Security flaws may prove detrimental for the app users as they put the user data and privacy at stake. App 
security issues are generally associated with user authentication, data storage, and transfers 
(unencrypted). 
Agile QA Testing Approach To Overcome Quality Issues
At Oodles Technologies, we follow a step-by-step QA software testing strategy to proactively detect and 
resolve various types of app issues. Below are the tests we perform typically on a mobile app:
 
Basic Functionality Test / Smoke Test
We usually start with a smoke test that includes a basic check-up of the app’s functionality. It is to ensure 
that every button or menu works perfectly across multiple app screens. A smoke test is critical to ensure 
that all the basic functionalities of the app are finely-tuned to meet the users’ expectations. The functionality 
tests also enable QA engineers to identify potential points of failure to avoid instances of downtime and app 
crashes. 
Common Quality Issues In Mobile App Development
Code Review and Analysis
Code review is an essential part of the software development lifecycle that may reveal several software 
glitches and potential points of failure. It is always wise to get your code peer-reviewed before pushing it 
further. However, we recommend performing code reviews after successfully conducting the basic 
functionality test. It saves you from the additional burden of bug detection as the entire process is 
granularized.  
 
Unit Testing
Unit testing enables QA engineers to test individual units or components of a mobile app. It is to ensure that 
every part of the app is fully functional and performs seamlessly across devices. Unit testing is usually 
followed by three other types of quality tests:
Common Quality Issues In Mobile App Development
● Integration Testing: Individual units are combined and tested together rather than testing each unit 
separately.
 
● System Testing: System tests are performed after unit testing and integration testing to ensure that 
the app works smoothly with all components combined.
 
● Acceptance Testing: Acceptance tests are performed to evaluate an app’s acceptance level to 
ensure that it is compliant with the client’s requirements.
 
Performance Testing
Performance testing is a critical part of the software development lifecycle that evaluates an app’s 
performance, stability, and responsiveness under a given workload. It is generally performed to identify and 
resolve issues with the app’s scalability, responsiveness, load time and navigation flow.
Conducting the aforementioned tests ensures that all your app components are finely-tuned as 
per the requirements. It is advisable to perform as many tests as you can to ensure that the 
app performs seamlessly across the supported devices. Some other tests that may prove 
effective to optimize a mobile app are regression tests, compatibility tests, GUI tests, and 
synchronization tests. Check out our “Developer Insights” to learn more about these tests.
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