Cross-Platform Productivity App Launch

I'm seeking an experienced developer to help launch a utility app designed to enhance productivity on both Android and iOS platforms. Key Requirements: - The app should be optimized for productivity enhancement, with a user-friendly interface and seamless functionality... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, App Store Optimization, Graphic Design, iOS Development, iPhone, Mobile App Development, Project Management, UI / User Interface)