Find my friends
Since ios13 update, my iPhone XR has not been able to see Find my friends app.
Message stating ‘this app requires specific features not available on this device’
The app was working fine before update.
iPhone XR
Find my Friends is now in a new app called "Find My".
See this guide:--> Set up Find My on your iPhone and other devices - Apple Support
and/or:--> Share locations in Find My on your iPhone and other devices - Apple Support
Regards
Giulio