
RigSize Live
Windsurf, Kite & Wing Tracker
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Free
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About
RigSize Live: the complete wind sports tracker for windsurfers, kiters and wingers.
Track your sessions, check the wind and see exactly which gear works. RigSize Live brings your tracking, the wind forecast, live wind readings, your spots and your rig together in one app. No subscription, no hidden features.
WHAT MAKES RSL UNIQUE
RigSize Live is the only app that combines your own tracking, wind data, spot data and rig data. Every session is automatically linked to the wind at that moment, the spot and the sail, board and fin you used. So you see which gear works in which wind at which spot, based on real sessions.
FULL SESSION TRACKER
Start your session in the app or on your watch and you're live on the spot map. Your GPS track, top speed, average speed, Alpha 500, distance and heart rate come in automatically, linked to your rig, the wind and the spot.
RSL TRACKER ON YOUR WATCH
Our own watch app, RSL Tracker, runs on Apple Watch and Garmin. Pick your sail, board and fin on your wrist, start your session and share your rig live on the spot map without opening your phone. Follow your speed, distance and heart rate live on your watch. Afterwards the session lands in RigSize Live with your rig, the spot and that day's wind. On Apple Watch Ultra you start with the Action Button. Garmin users get RSL Tracker free in the Connect IQ Store.
SYNC FROM GARMIN, SUUNTO AND APPLE HEALTH
Sessions from your Garmin sync automatically via Garmin Connect, from your Suunto via the Suunto app, and from any watch that writes to Apple Health. You can also upload a FIT or TCX file.
RELIABLE WIND FORECAST
Hourly updated forecast per spot, plus live readings from nearby weather stations that refresh every 10 minutes. So you know not only what is forecast, but also what is really blowing right now.
WIND ALERTS
Set your ideal wind window per spot and get a push notification as soon as it's on. Never miss a good day again.
PERSONAL INSIGHTS
Which board and sail combo makes you fastest? What is your Alpha 500 per combo? Which gear do you never actually use anymore? Honest answers based on all your sessions.
ALL YOUR GEAR IN ONE PLACE
Keep your sails, boards, fins and foils in your own library. With calculators for sail size, fin and foil based on weight, board and wind.
LIVE ON EVERY SPOT
4,500+ spots worldwide, 400+ in the Netherlands. The spot map shows who is on the water right now, with which sail, board, fin or foil. No more guesswork before you load the car.
LEADERBOARDS
Top speed, longest session, most distance, most days on the water. Per spot, per season or worldwide.
RIDE TOGETHER
Spot chat, groups and session planning: ask about conditions, share tips and see who joins. No more separate group apps.
SAFETY CHECK-IN
Set a return time. Others on the map and in the feed see a warning if you're not back in time.
FOR ALL THREE SPORTS
Windsurf, kite and wing, with the right sizes, calculators and spot info per discipline.
NO SUBSCRIPTION
No Pro tier, no paywall, no hidden features. Everything is for everyone.
Share rigsizes, good surfkarma.
RigSize Live is a product of FTR Management B.V.
Privacy: https://app.rigsizelive.com/privacy.html
Terms: https://app.rigsizelive.com/terms.html
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What's New in RigSize Live
3.75.0
November 8, 2026
New: Apple Watch app (RSL Tracker) with live speed, distance and heart rate. Choose your rig on the watch and start with the Action Button (Apple Watch Ultra). Add the complication to your watch face, and pair through the iPhone app in one tap.
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