Sauna Log vs Cold Plunge & Sauna Timer

Time sauna and steam sessions on Apple Watch or Garmin. Try 3 sessions free, then unlock unlimited tracking with one purchase. No subscription. Apple Watch app included with your iPhone download. Garmin requires the free Connect IQ companion and a compatible watch. Use your Apple Watch or Garmin to start a session fast, choose sauna or steam room, run your preferred timer presets, and monitor live heart rate plus active and total calories while you’re in the heat. When a timer ends, you can stop or extend immediately for the next round. Sauna Log records your session details, including: - Heat type: sauna or steam room - Session duration - Heart-rate data - Energy burned: active and total calories - Sauna temperature and humidity - Cold shower selection Remember your usual temperature and humidity settings, so recording regular sessions takes seconds. The iPhone app gives you quick control of timer presets, heart-rate thresholds, session history, and longer-term progress insights. See your heat time, active days, heart-rate response, calories, and sauna-versus-steam patterns across weeks, months, and years. Optional monthly reminders help you return to your progress and stay consistent.

Build consistent cold and heat routines, track how your body responds, and discover which protocols work best for you. Contrast combines reliable cold plunge and sauna timers with structured contrast routines, a personal plan, session history, and careful self-experimentation. The free basics stay useful: time unlimited cold and sauna sessions, record temperature and check-ins, keep notes, follow a starter plan, and review your recent activity. TIME EVERY RITUAL • Cold plunge countdown or count-up with preparation, haptic and spoken cues • Sauna rounds, rest periods, hydration reminders, and temperature or humidity notes • Guided contrast routines with hot, cold, rest, transition, breathing, hydration, and custom phases • Background-safe timers, alerts, Live Activities, and Dynamic Island support where available LEARN FROM YOUR OWN DATA • Mood, energy, difficulty, soreness, sleep quality, notes, tags, and facilities • Calendar, streaks, weekly totals, personal records, and routine comparisons • Optional Apple Health correlations with sample sizes and neutral wording • Recovery Lab experiments that report personal observations—not proof of cause BUILD A SUSTAINABLE PLAN • Deterministic two-, four-, and six-week plans based on your goals, experience, equipment, schedule, comfort, and adherence • Reschedule, skip, replace, reduce intensity, pause, or restart at any time • Progress emphasizes consistency and comfort, never extreme temperatures or durations CONTRAST PREMIUM Premium unlocks unlimited routines, personalized progression plans, full history, advanced analytics, Recovery Lab, Apple Health correlations, AI-assisted summaries, smart reminders, reports, export, sharing, and advanced widgets. Prices are shown in your App Store currency before purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account subscription settings. PRIVACY AND SAFETY Your session history is local by default. Health data is never used for advertising. AI analysis is optional, previews the summarized data before first use, and never receives raw HealthKit records without explicit consent. Contrast is a wellness and self-tracking app, not medical advice. Stop immediately if you feel unwell. Avoid breath-holding challenges in or near water, and consider whether cold immersion alone is safe for your circumstances. Keep the iPhone outside the sauna and follow device operating-temperature guidance. Individual responses differ. TERMS OF USE (EULA) Terms of Use: https://apps.bluealpine.xyz/cold-plunge-sauna/terms Privacy Policy: https://apps.bluealpine.xyz/cold-plunge-sauna/privacy Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/