Cross-Platform Mobile App Development

I’m planning a new application—working title “Nihtix vipgjseabop”—and I need it built for both Android phones/tablets and iPhones/iPads. I’m flexible on whether you use Flutter, React Native, Kotlin Multiplatform,... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Flutter, iOS, iPhone, Kotlin, Mobile App Development, PhoneGap, React Native)