SUNA vs Phyros

SUNA Sauna as a ritual. Start on Apple Watch. Move through heat, cooling and rest. Come back to iPhone when you want the full story. On Apple Watch • Start with a tap or the Digital Crown • Stay with the three phases — no phone in the cabin • Optional haptics during heat • See the planned ritual before you begin On iPhone • This week's rhythm, time and rounds • Each ritual: duration, phases, Sauna Score, heart rate when Watch data is there • Compare with your own average • Notes, plans, reminders • Journey: levels and milestones SUNA is for presence and rhythm, not performance. It is not medical advice and not a medical device. Suna+ unlocks full history and deeper progress. Monthly, yearly, or lifetime. Suna+ is an optional auto-renewing monthly or yearly subscription. A one-time Suna+ Lifetime purchase is also available. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sunaprivacy.carrd.co/

Phyros is a focused Apple Watch companion for sauna and cold plunge routines. Start a free session, choose sauna, plunge, or both, and keep the important details visible on your wrist. Track each mode with clear elapsed timers, switch between sauna and plunge with a tap or double tap, and see live heart rate during your session when Health permissions are enabled. Phyros can nudge you to hydrate during sauna time and gives you a simple summary when you finish. Features: Sauna and plunge session tracking Optional sauna-only, plunge-only, or combined sessions Large, glanceable mode timer and total session time Live heart rate from Apple Health during workouts Hydration reminder during sauna exposure Haptic cues for transitions and reminders Session summary with total time, sauna/plunge split, average heart rate, peak heart rate, and heart-rate trend Phyros uses HealthKit only with your permission. It reads heart rate during active sessions and saves workouts so your session can be recorded in Apple Health. Phyros is not medical advice. Use sauna and cold exposure safely and follow guidance from your health professional if you have any concerns.