fonskii
Altitude. Speed. Vertical. Every detail of your ski day, captured.
Features
Everything you need on the mountain
Real-time tracking, offline-first, and 23 languages. Built for skiers who want every detail.
Real-Time Tracking
Live altitude and speed via barometer and GPS
- Barometric altitude for precise elevation changes, even in tunnels
- 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
iPhone mockup — fonskii live tracking screen
with altitude chart, speed gauge, vertical counter
Smart Timing
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
iPhone mockup — session summary screen
with ski-time breakdown, run count, lift time
Worldwide Coverage
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
Map view — ski resort pins across the globe
with resort details and your history overlay
Global & Personal
23 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
Widget & history — live notification widget
and session history with personal records
Offline-First
No network required on the mountain
- All tracking works without any internet connection
- Resort data cached for offline access after first download
- Sessions sync automatically when back online
- Minimal battery usage with optimized GPS and sensor polling
Offline indicator — tracking active
without signal, battery saver enabled
By The Numbers
Built for reliability
Rigorously tested. Globally available. Ready for any mountain.
Pricing
Start tracking. Go Pro when you're ready.
Track your ski days with fonskii. Unlock the full experience with Pro.
Basic
Everything you need to get started on the mountain.
- Real-time altitude and speed tracking
- Automatic resort detection
- Limited session history
- Ads between sessions
Pro
The full fonskii experience. No limits, no ads.
- Everything in Starter
- Unlimited session history
- Personal records and trends
- Share session summary cards
- No ads, ever
- Priority support
Track your next ski day
Download fonskii and start tracking altitude, speed, and vertical on every run.