Manual testing involves human testers checking software for defects. Testers follow test cases, identify bugs, and ensure the software works correctly. This process helps catch issues that automated tests might miss, ensuring a high-quality user experience and reliable performance. 

Automation testing uses automated tools to quickly and accurately check software for defects. It ensures consistent test execution, speeds up the testing process, and helps find issues early. This method is efficient for repetitive tasks, improving the overall quality.

Functional testing checks if software features work as expected. Testers verify each function against specified requirements, ensuring correct outputs and behaviour. This testing identifies any errors or missing functions, helping to deliver a reliable and fully operational product that meets user needs and business goals.

Mobile testing ensures apps work well on various devices and operating systems. Testers check functionality, performance, and usability on smartphones and tablets. This process identifies issues like crashes or slowdowns, ensuring a smooth and reliable user experience across all mobile platforms.

QA outsourcing involves hiring external experts to test your software. These specialists ensure your product is reliable, secure, and performs well. Outsourcing QA saves time and resources, provides access to advanced testing tools, and allows your team to focus on core business activities while maintaining high-quality standards.

Performance testing checks how well software performs under different conditions. It measures speed, responsiveness, and stability by simulating various user loads and environments. This process helps identify bottlenecks and optimize performance, ensuring the software runs smoothly and efficiently even during high usage.