Comprehensive Functional Mobile Testing

I need thorough functional testing carried out on both the Android and iOS versions of my app across as many device models, screen sizes, chipsets, and OS releases as possible. Your mission is to verify that every feature behaves exactly as intended, no matter the platform or hardware... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, iOS Development, iPhone, Mobile App Development, Test Automation, Test Plan Writing, Test Strategy Writing, Testing / QA)