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Functional Testing

We guarantee your end-users ultimate satisfaction by providing end-to-end functional testing.

Ensure Your Product Is Developed In Line With The Requirements

Release The Application That Resonates With Its End Users

Get A Professional Assessment Of Software With A Complex Business Logic

Comprehensive Functional Testing Services

Appsierra provides a complete range of functional testing services, such as:


The first step in the testing process is to check if the key features of your application under test are functioning well to move on to the next step.


Examine the user interface's functionality and see how it meets the requirements by performing interface testing.

Requirements-based testing

Based on the software requirements, we create a precise collection of test scenarios that we analyze and confirm.


Defects in interfaces and the operation of unified components and systems are investigated.


We test even beyond the planned test suite, employing cognitive thinking, and comprehending individual software features and end-user behavior.

Functional Testing for different forms of Software

Appsierra team has a wide range of testing solutions that can be customized to meet your requirements of web functionality testing and QA services

Web Apps

Embedded Systems

Mobile Apps

IoT Devices and Apps

Desktop Apps

Big Data & Analytics

System Utilities


Functional Testing Procedure

We use a transparent approach to functional app testing to ensure that our services are of the highest quality at all times