Support

Need help? We've got you covered.

Getting Started

Download Sauna Suit App from the App Store on your iPhone. Open the app and go to the Calculator tab to get started — no account required for the calculator.

To log and track your sessions over time, tap the Log tab and create a free account with your email address.

Calculator

Enter your body weight, height, age, biological sex, fitness level, workout intensity, suit type, and planned duration. The calculator will give you:

Personalised sweat rate estimate
Total predicted fluid loss
Safe maximum training duration
Dehydration risk level
Hydration timeline (before, during, and after)
Electrolyte replacement targets

Session Log

The Session Log requires a free account. Once signed in you can:

Record pre and post-session weights
Log hydration intake
Track next-morning weight for overnight recovery
Add notes to each session
View and delete past sessions

Account & Data

Forgot password? Use the "Sign In" screen and tap "Forgot password" — a reset email will be sent to your registered address.

Delete account or data? Contact us via the Contact page and we'll remove your data within 48 hours.

Sessions not loading? Make sure you're signed in to the same account. Session data is stored per account and is not shared between accounts.

Units

The calculator supports both Metric (kg/cm) and Imperial (lbs/in). Switch between them using the toggle at the top of the Calculator screen.

Medical Disclaimer

Sauna Suit App provides estimates based on published sports science research. Individual responses vary significantly. Always consult a physician before using sauna suits, especially if you have heart, kidney, or blood pressure conditions. People with diabetes, obesity, or who are elderly should avoid sauna suit training without medical supervision.