The essential tool for combat sport athletes, bodybuilders, and fitness competitors cutting water weight before competition. Personalised sweat loss estimates, hydration targets, and real-time safety guidance.
Download on the App StoreAvailable on iPhone
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Enter your body metrics, fitness level, and workout intensity to get a personalised sweat rate and total fluid loss prediction.
Know exactly how long you can safely train in a sauna suit before reaching dangerous dehydration levels.
Get sodium, potassium, and magnesium replacement targets to support full recovery after your session.
Track real-world results — log pre and post weights, hydration intake, and overnight recovery to build your personal dataset.
A dynamic safety gauge gives instant visual feedback — from safe to danger — as your inputs change in real time.
Based on ACSM Position Stand, Wilmott et al., and GSSI electrolyte research. Built for serious athletes, not guesswork.
Download on iPhone and take the guesswork out of your weight cut.
Download on the App Store
Scan to download