I need to do a tool

I need to create a mobile app with a primary focus on productivity. This app needs to be developed for both iOS and Android platforms. It would require extensive research and technical expertise to ensure the app meets applicable design standards for each platform and that functions flawlessly on all devices. The app should also include a database to store user data securely, as well as social media integration and intuitive user interface design to make it easy to use. I'm looking for a freelancer who has experience developing mobile applications for both iOS and Android, and who can help me bring this project to life.