Available on Google Play

Trek Safely at Any Altitude

Real-time altitude tracking, emergency SOS, trek planning, and offline safety tools — built for trekkers exploring Nepal's high-altitude trails and beyond.

Free No Ads
100% Offline Ready
Privacy First
TrekGuard Home Screen showing altitude tracker, SOS buttons, weather data, and trek mode

Everything You Need On the Trail

From altitude monitoring to emergency rescue, TrekGuard covers every aspect of high-altitude trekking safety.

Real-Time Altitude

GPS, barometer, and terrain API fusion delivers precise altitude readings with visual history charts and elevation gain tracking.

Emergency SOS

One-tap SOS with flashlight signals, emergency whistle, quick-dial contacts, and instant GPS location sharing via SMS.

Weather Intelligence

Current conditions, hourly forecasts, rain alerts, and sunrise/sunset times for your exact trail location.

Itinerary Builder

Plan day-by-day with village picker, altitude data, pre-built templates for EBC/ABC, and acclimatization safety scoring.

AMS Checker

Lake Louise scoring system for altitude sickness assessment with symptom tracking, SpO2 guidance, and descent recommendations.

Works Offline

All core features work without internet. Altitude tracking, SOS signals, first aid guides, and compass navigation — fully offline.

Designed for the Mountains

A clean, dark interface optimized for outdoor readability and one-handed use on the trail.

When Every Meter Matters

Above 3,000 meters, altitude sickness becomes a real threat. TrekGuard monitors your ascent rate, estimates blood oxygen levels, and alerts you before symptoms escalate.

Rapid ascent warnings when climbing too fast
Lake Louise AMS scoring for symptom self-check
Nepal emergency numbers pre-loaded (Police, Ambulance, Helicopter Rescue)
First aid reference for AMS, frostbite, and trail injuries
Hydration reminders to stay safe at elevation
Extreme 5,500m+
Very High 4,000 - 5,500m
High 2,500 - 4,000m
Moderate 1,500 - 2,500m
Low 0 - 1,500m

Your Complete Trail Companion

Beyond safety — a full suite of tools that replace half your pack weight in separate apps.

Compass

Real-time heading with backtrack navigation

Gear Checklist

Categorized packing with weight tracking

First Aid Guide

Offline reference for altitude emergencies

Water Tracker

Hydration logging tuned for high altitude

Waypoints

Mark camps, water sources, and junctions

Trek Photo

Photos stamped with altitude and GPS

Trek History

Review past sessions, stats, and records

Achievements

Earn badges for altitude and distance milestones

Your Data Stays on Your Device

TrekGuard is built with privacy at its core. All trek data, waypoints, and personal information are stored locally on your phone. No cloud accounts, no tracking, no ads. Your location is never shared or sold — ever.

No Ads No Tracking Local Storage No Cloud Required

Built with Modern Tech

React Native Cross-platform core
Expo SDK 54 Build & deploy pipeline
TypeScript Type-safe codebase
Zustand Lightweight state
expo-location Background tracking
expo-sensors Barometer integration

Ready to Trek with Confidence?

Download TrekGuard and make your next high-altitude adventure safer. Free, no ads, privacy-first.

Available for Android devices. Requires Android 8.0 or higher.