Cross-Platform Safety Tracking App

I am gaining peojects costs. This isnt our first app so we have some familiarity. App for Hunters hiker's outdoors people in general. Get back safe . There is no way currently without a Epirb or PLB to share with friends and family... (Budget: $1500 - $3000 USD, Jobs: Android, API Development, App Design, Flutter, Game Backend/LiveOps, Geolocation, GPS, iOS, Mobile App Development, React Native)