Zef vs Speedsurf.app

Zef — Ride. Track. Connect. Zef is a multi-sport tracking app built for riders, with a strong focus on nautical sports. Track your sessions, analyze your performance, discover spots, and see your friends live — all in one app. Key Features Track your rides Record your sessions with your iPhone or Apple Watch. Zef integrates with the Health app and supports GPX imports from most watches. Advanced performance analytics Get detailed session stats including speed, distance, duration, speed polar, and health data. Sessions can be replayed to analyze each maneuver. Jump analysis Measure jump height using only your iPhone or Apple Watch. Powered by algorithms inspired by drone technology. Races & challenges Create private or public races for training or competition. Visual guidance and wind angles are displayed directly on your iPhone or Apple Watch. Spots & live activity Discover spots around you and see when riders are active. Follow spots and get notified when sessions start. Friends & live tracking Follow riders by username and get notified when friends go live. Watch their sessions live on the map and stay connected. Supported Sports Sailing, Windsurfing, Kitesurfing, Wingfoil, Kitefoil, Windfoil, SUP Foil, Surfing, Wakeboard, Kayaking, Paddling, Snowkiting, Landkiting, Cross-country skiing, Skating, Bike, Electric Bike, Parawingfoil, and more with custom tags. Apple Ecosystem • iPhone & Apple Watch support • Health app integration • Optimized for the Apple ecosystem Important Sessions must be recorded from the ground to be validated. Legal Terms of Service https://zef.watch/terms-and-conditions.html Privacy Policy https://zef.watch/privacy-and-security-policy.html

Every knot, every gybe, every personal best, for windsurf, wingfoil, kitesurf, foil and bike. RECORD Press start and ride. On the water the screen is numbers: 2 s max in your discipline's colour, Avg 5×10 beside it, your last runs underneath. After every lap one short line tells you what it was worth, or only your records if you prefer. COMPARE Tap a record, your 500 m, your 2 s or your alpha, and see it on the map next to every other rider's own run of it: the riders of the day or the fastest ever at the spot. Switch riders on and off, in the day's replay and on the record maps alike. CYCLING A bike screen built for the handlebars: your speed big and in the colour of its zone, your riding average against your record from rides of 20 km or more, and bars that show how close you are. The map turns with you, the road ahead up, with the wind drawn over it. Change the unit, alerts and speech during the ride. ROUTE Plan a bike route like in a navigation app: type where to, pick an option, start. A banner shows the next turn, the voice tells you before it, and a new route is found if you go off course. APPLE WATCH Record on your wrist, with Water Lock on the water. Your ride lands on your iPhone when you stop. UPLOAD Every way a session gets to SpeedSurf on one screen. Fetch your Motion GPS or ESP-GPS logs over Wi-Fi, straight from the device, and tick the ones you want. Import a GPS file from Files. Choose who can see a session and what gear you were on before it goes up. Garmin, COROS and Strava come in by themselves. SPEEDSURF.APP Every session goes to speedsurf.app: rankings, records per discipline, your gear, and live tracking for the people on the beach. Filter the feed by sport, week, month or year, and sort by Max 2 sec, 500 m, Alpha 500 or distance. ALONGSIDE OTHER APPS Running another GPS app at the same time? SpeedSurf keeps your ride going, and only dims other apps' sound while it speaks.