Sauna Sensei

Features Guided Sauna Sessions * Customize sauna, cold bath, and rest durations * One-tap session start * Automatic progression through each stage * Beautiful circular progress timers Heart Rate Tracking * Live heart rate during every stage * Peak heart rate * Average sauna heart rate * Time to peak heart rate Recovery Metrics * Heart rate recovery * HRV recovery * Session summary and performance insights Cold Therapy * Dedicated cold plunge timer * Water temperature logging * Complete contrast therapy workflow Built for Apple Watch * Designed specifically for watchOS * Large, glanceable interface * Smooth scrolling interactions * Optimized for use inside and outside the sauna Apple Health Integration * Read heart rate and HRV from Apple Health * Save completed sessions to Apple Health * Uses Apple’s official HealthKit APIs for supported health data Whether you’re optimizing cardiovascular health, improving recovery, or simply enjoying your sauna ritual, Sauna Sensei keeps every session organized and measurable. Become more intentional with every session.