fonskii
Altitude. Speed. Vertical. Every detail of your ski day, captured.
Everything you need on the mountain
Real-time tracking, offline-first, and 23 languages. Built for skiers who want every detail.
Live altitude and speed via barometer and GPS
- Barometric altitude locks your elevation to the meter - even in trees or a whiteout where GPS drops
- Real-time speed tracking with peak and average metrics
- Vertical meters accumulated across the day, run by run
- Activity recognition distinguishes skiing from lifts and breaks
Ski-time that excludes lifts and rest periods
- Automatic detection of chairlift, gondola, and t-bar rides
- Pause detection when you stop for lunch or a break
- Accurate ski-time so you know how much you actually skied
- Run counter tracks each descent individually
6,851+ ski resorts from every continent
- Powered by OpenSkiData for comprehensive global coverage
- Automatic resort detection when you arrive
- Resort-specific stats: runs, elevation, trail difficulty
- Compare your performance across different mountains
38 languages, live widget, and your personal records
- Full localization in 23 languages, right-to-left included
- Live notification widget shows stats without unlocking
- Session history with personal records and trends
- Share your day with friends via session summary cards
No network required on the mountain
- All tracking works without any internet connection
- Resort data cached for offline access after first downloadSessions sync automatically when back online
- Minimal battery usage with optimized GPS and sensor polling
Start tracking. Go Pro when you're ready.
Track your ski days with fonskii. Start free, unlock the full experience with Pro.
Or choose a flexible subscription for $7.99 season pass6,851+ resort
23 languages
1,000+ test
Got an ambitious product roadmap? Let’s compile it
Skip the pitch decks and the account managers. You will work directly with the senior principal engineers who write the native software. Let’s map your technical parameters, identify your constraints, and begin scoping your next deployment.