Search & Rescue

Built for hikers. One-tap SOS alerts family and dials emergency. Rescue-grade coordinates, offline maps, 40 country emergency numbers, fall detection. Free, no ads.

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, and giving rescue teams your exact location.

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 · 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

[ Rescue-Grade GPS Coordinates ] Multiple formats used by mountain rescue teams One-tap copy to text or email to rescuers WGS84 (Google Maps) + DMS (helicopter hoist) + TWD97 (Taiwan)

[ 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 and loss, average 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)

[ Live Heart Rate ] Connects Garmin broadcast HR / Polar / Wahoo / Apple Watch High HR warnings (auto max HR by age)

[ 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, and remaining daylight

[ Smart Companion ] 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 compliant) Sign-out immediately clears cloud location history Only guardians YOU invite can see your position Encrypted transport (Firebase HTTPS + Firestore rules) Free, no ads, no trackers

11 Languages

English · Traditional Chinese · Simplified Chinese · Japanese · Korean Español · Deutsch · Français · Italiano · Português · Čeština Auto-follows system language, manual override available

Dark Mode

Auto-follows system, easy on the eyes in mountain huts at night, saves OLED battery life

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 and compass Bring adequate food and 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.