- SOS / Panic button with live group call trigger
- Fake Call feature — shows a realistic incoming call screen while silently alerting family in the background
- Crash & fall detection via device motion sensors, with a 15-second cancel window before auto-alerting family
- Safe Zones / geofencing with arrival & departure alerts
- Real-time GPS tracking on Google Maps
- Battery level sharing per family member
- 30-day location history with per-member timeline replay
- Manual check-in system
- Family group chat with emoji picker and photo sharing
- Broadcast messages to the whole family
- Push notifications via service worker
- Single family-code join system (no per-member invite links)
- Join as a guest (name only) or create a full account (email/password)
- Admin controls: remove any member
- Self-service "Leave Family" for members
- Free vs Premium plan structure already built in (member limits, history retention, upgrade flow)