Rating & review App development

I’m building a dedicated review and rating app that runs smoothly on both iOS and Android. Users will sign up and log in solely through phone-number verification with a one-time password flow—no email or social logins required... (Budget: $250 - $750 NZD, Jobs: Android, App Design, App Development, Flutter, iOS Development, iPhone, Mobile App Development, Objective C, React Native, User Interface / IA)