Cairn: Outdoor Safety & Torch

Liam Xi

About this app

Cairn is an offline-first outdoor safety companion designed to help you stay aware, stay prepared, and get home safely.

Unlike traditional flashlight or GPS utility apps, Cairn combines essential outdoor tools, activity tracking, and safety-focused guidance into a single experience that works even without a network connection.

Whether you're hiking, exploring, camping, walking unfamiliar trails, or simply spending time outdoors, Cairn gives you the critical information you need when it matters most.

■ Offline Outdoor Dashboard

Access essential outdoor information directly from your device sensors:

• Elevation and altitude
• GPS coordinates
• Location accuracy
• Digital compass
• Battery status
• Sunrise and sunset calculations

No account required.
No cloud dependency.
Core features work completely offline.

■ Activity Tracking

Start an activity and let Cairn record your journey.

Track:

• Distance traveled
• Activity duration
• Moving time
• Elevation gain
• Start location
• Route history

All activity data is stored locally on your device.

■ Safe Return Guidance

One of Cairn's most important features.

Cairn helps you understand:

• How far you are from your starting point
• The direction back to your start location
• Estimated return time
• Remaining daylight before sunset
• Potential safety concerns

Designed for situations where making the right decision matters more than collecting statistics.

■ Built-In Flashlight Tools

Originally developed as Smart Flashlight Cool, Cairn continues to include powerful flashlight functionality.

Features include:

• Bright flashlight
• SOS mode
• Flashing mode
• Screen light
• Multiple color options

Quick access when visibility is limited or assistance is needed.

■ Privacy First

Your location data stays on your device.

Cairn does not require an account and does not rely on online services to provide its core functionality.

■ Designed for the Outdoors

Built for hikers, campers, travelers, photographers, trail walkers and anyone who values preparation and situational awareness.

Know where you are.
Know when to turn back.
Get home safely.

Cairn.
Your Outdoor Safety Companion.

What’s new

· Redesigned Home screen with a clearer outdoor-focused layout
· Improved return navigation and situational awareness experience
· Enhanced visibility of key outdoor information such as direction, elevation, GPS · accuracy, and daylight status
· Reorganized emergency tools for faster access
· Refined UI and overall usability improvements
· Various bug fixes and performance optimizations