Mobile Application Testing Services

Mobile application testing comprises functional, compatibility, usability, performance, security testing types. Since 2015, we provide full-range mobile app testing services based on our proficiency with mobile specifics and standards to ensure your app’s high quality and user adoption.

Ensure the Quality of Your Mobile App

Experienced with mobile testing specifics, Our high-performing testing engineers validate all aspects of your mobile app within optimal testing time and budget.

What We Test

Mobile apps

Native mobile apps deliver rich experience to users of a particular mobile platform. Our specialists test native iOS and Android mobile apps relying on 16 years of experience in the field.

Mobile web apps

Run in mobile browsers, web apps cater to a wider user audience regardless of a mobile platform. Our testing engineers test mobile web apps for a vast variety of browsers for Smartphone’s and tablets.

Mobile Testing Services We Offer

Usability testing

Kellyits mobile testing team ensures that your app has a user-friendly UI and is handy and easy-to-use for your target audience.

Mobile functional testing

Our mobile testing team will ensure that your app, including backend functionality, works as clockwork and meets fully meets the functional requirements.

Mobile performance testing

Our performance test engineers will ensure there are no stress, load, scalability or reliability defects within your mobile app.

Note: for large applications catering for many users (banking apps, mobile e-stores, multiplayer games, messaging games, etc.), our testing team can also run backend performance testing.

Mobile compatibility testing

Our testing experts can ensure your mobile app provides an impeccable UX and smoothly functions on all the target devices, in the respective operation systems and mobile browsers.

Compliance testing

Our team can test your apps for compliance with official iOS and Android guidelines, as well as specific industry regulations (GAMP, PCI DSS, HIPAA, etc.).

Mobile security testing

Kellyits cyber security engineers can perform penetration testing simulating a real-life hacking attack to identify the security loopholes of your app and provide recommendations on their mitigation.

Note: for a complex mobile application, our mobile testing team can also ensure the security of its server side (backend security testing).

Mobile test automation

To streamline your mobile app’s releases and ensure sufficient test coverage, our team can apply test automation for functional and regression, performance, compatibility, and security mobile testing and introduce keyword-driven and/or data-driven frameworks.

Mobile accessibility testing

Our mobile testing team thoroughly checks your app against WCAG 2.1 and ADA standards or any specific requirements of your intended users with disabilities to ensure they can easily access and use the application.

Our Approach

Analyzing project requirements

Our mobile testing team will study your project requirements and identify loopholes (if any).

Selecting devices and planning the process

The number of mobile device models is growing exponentially, and it’s simply impossible to test the app on all of them. To ensure vast and reasonable device coverage, we choose the target devices relying on your requirements and the statistics for target region and target user audience. Then our mobile testing team closely cooperates with the rest of the project team, plans testing activities with regard to your project milestones and defines conditions permitting to start, postpone, resume or stop the testing process.

Designing test cases

The mobile testing team drafts test cases and test suites.


Our mobile testing team performs testing and reports the bugs to the PM and developers.

Analyzing test results

The mobile testing team covers testing results providing ad hoc information and test reports throughout the given cycle.

In each project iteration, you will be in control of the testing process and have a panoramic view of our activities. We are able to follow any reporting approach you choose.

Project Challenges We Meet

Changing requirements

Highly adaptable, we rapidly react to changes in your requirements and work swiftly and efficiently, ensuring timely releases.

Device fragmentation and usability

To meet the fragmentation challenge, we test apps on the devices from our in-house testing lab and the devices you provide. Ensuring vast device coverage, we make your app work successfully on any popular mobile platform, OS version and screen size.

Lack of domain knowledge

Experienced in multiple industry domains, our mobile testing engineers will swiftly identify industry-specific pitfalls, bottlenecks and security issues in your app.

Lack of all-round collaboration

Integrating into the project team, we ensure intensive horizontal cooperation with stakeholders, designers, BAs and developers so that you stay up-to-date with the project workflow and make informed decisions.

Leverage Time- & Cost-Effective Mobile Testing

With 9 plus year experience in testing mobile apps, kellyits can ensure your mobile app is fully functional on all required devices and OSs, scalable, secure, and user-friendly.