For mountaineers, safety is the only path home.
Search & Rescue is a mountain safety companion built for hikers,
letting your family know you're safe on the trail,
sending instant SOS alerts, with coordinates in the format rescue services use —
one tap to copy and forward.
Core Features
One-Tap SOS
· Big red button in bottom tab bar — accessible from any screen
· Long-press 1.5s to dial emergency (119 / 112 / country-specific) directly
· Instant push to all your family guardians
· Message includes WGS84 · TWD97 · DMS coordinates + Google Maps link
· 40 countries with local emergency numbers (auto-detected by location)
· Auto-SOS: fall detection + 1-hour stillness prompt (I'm OK / Resting 8h / SOS)
Family Guardians
· Invite family or friends as your guardians (up to 20)
· They see your real-time location, trail track, battery level, and altitude
· Automatic location sharing (smart background tracking, works even with screen off)
· Works offline — queued and sent when signal returns
TWD97 Coordinates (Taiwan Rescue Standard Format)
· The ONE coordinate format Taiwan fire/mountain rescue teams use
· One-tap copy to text/email to rescuers
· Also provides WGS84 (for Google Maps) and DMS (standard aviation format)
Offline Maps (No-signal wilderness ready)
· Download OpenStreetMap / OpenTopoMap tiles before your trip
· View maps + GPS position even with zero cellular signal
· Free-form region selection (not limited to preset trails)
Hiking Trail Recording
· Auto-tracks time, distance, elevation gain/loss, avg speed
· Multi-day support (auto per-day breakdown)
· Export GPX to Garmin / Strava
· Nearby trails search + community shared details
Achievement Badges
· 15+ badges (First Trip / 100km Cumulative / 1000m Elevation, etc.)
· Custom monthly goals (distance / elevation / time)
· Celebration animation on each hike + badge unlock
Live Heart Rate
· Connects Garmin broadcast HR / Polar / Wahoo / Apple Watch
· High HR warnings (auto max HR by age)
· 5 heart rate zones displayed live
Environmental Monitoring
· Live weather + 7-day forecast (Open-Meteo)
· Barometer thunderstorm warning (3 hours ahead)
· Altitude sickness warning (hydration + slower ascent reminders above 3000m)
· Air quality + UV index
· Sunrise/sunset + remaining daylight
Smart Companion (Human Touch)
· New area: "New place — I'll walk with you"
· Lunchtime: "It's noon, eat before you continue"
· Dusk approaching: "You're a dusk hiker — mind the dark"
· 8 contextual messages, learns from your patterns
Privacy First
· Location data auto-cleared after 90 days (GDPR + Taiwan Privacy Law compliant)
· Sign-out immediately clears cloud location history (profile kept)
· Only guardians YOU invite can see your position
· Encrypted transport (Firebase HTTPS + Firestore rules)
· Free, no ads, no trackers
11 Languages
Auto-follows system language, manual override available
Completely Free · No Ads
This app was built by a son for his father, and given as a gift
to every hiking family. May everyone come home safe.
Feedback
Built-in feedback (Settings → Feedback), developer reads every message personally.
Email: searchrescuetw@gmail.com
Medical Disclaimer
Search & Rescue is not a medical device. It is not intended to diagnose, treat, cure, or prevent any disease.
Heart rate monitoring, altitude sickness alerts, and barometer warnings are for informational purposes only, not a substitute for professional medical judgment.
Consult a physician for any health concerns.
Disclaimer
This app is a supplement, not a replacement for basic mountain preparation:
· Tell family your itinerary before departure
· Carry paper maps + compass
· Bring adequate food + warm layers
· In emergency, always call 119 / 112 first
Search & Rescue is an extra layer of protection,
so your loved ones at home can worry a little less.
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