Speed Vario

GPS speed & altitude tracker for every adventure. 7 activity profiles, Apple Watch companion, 3D terrain and video replay. From walking to aviation.

Speed Vario is a precise, real-time GPS speed and altitude logger for iPhone — built for cyclists, hikers, paragliders, skydivers, sailors, skiers, glider pilots and light aviation enthusiasts who want accurate motion data without subscriptions or accounts.

LIVE DASHBOARD • Real-time speed in km/h, mph or knots (kt) • Altitude with GPS + barometric complementary filter • Vertical speed via linear regression — climb / descent rate in m/s or ft/min • Heading with 8-point compass rose • GPS quality indicator (No Fix / Weak / Fair / Good / Excellent)

SESSION RECORDING • One-tap start / pause / resume / stop • Tracks distance, duration, max speed, average speed • Records D+ elevation gain and D− elevation loss • Crash recovery — interrupted sessions are restored on next launch

HISTORY & ANALYSIS • Full session list with key stats at a glance • Interactive map with speed-coloured route (blue → green → yellow → orange → red) • Optional 3D terrain view with real elevation data (requires free Mapbox token) • Scrubber to replay any moment of your session • Altitude, speed and vertical speed charts

EXPORT • GPX export — compatible with Komoot, Strava, Google Earth, Garmin… • CSV export in your chosen unit system — open in Excel, Numbers or any data tool

ADVANCED FILTERS • Horizontal speed smoothing: 6 presets from raw to 20 s lag • Altitude filter: GPS EWA with barometric correction, 5 smoothing presets • Vertical speed filter: least-squares regression, 5 window sizes (3–15 s) • Transport mode for altitude outlier rejection: Walking, Sport/MTB, Car/Cable Car, Lift/Paragliding, Aviation, Skydiving

SETTINGS • Metric (m, km/h, m/s), Imperial (ft, mph, ft/min) or Aviation units (ft, kt, ft/min) • Configurable auto-stop (1 min to Never) and history retention (7 days to Unlimited) • Optional Face ID / Touch ID app lock • Language: English / Français / Español

PRIVACY • No account required • All data stored locally on your device • No analytics, no ads, no trackers • GPS history excluded from unencrypted iTunes / Finder backups • Automatic deletion of sessions older than your chosen retention period