Watch your body hit Cold Shock, Catecholamine & Peak Neurochemical zones in real time. The only thermal therapy app with live benefit stages. Free to use.
SnowFire is the thermal therapy tracker for people who take cold plunge, sauna, and steam seriously. Real protocols. Real benefit data. Real-time tracking from your Apple Watch.
SCIENCE-BACKED PROTOCOLS
Follow weekly programs from Søberg, Huberman, Patrick, Nordic, and more. Each protocol comes with weekly time, temperature, and session targets pulled from peer-reviewed research. Run guided protocol sessions where every step has timed instructions — follow Søberg's cold-hot-cold sequence or any framework, step by step.
APPLE WATCH INTEGRATION
Start sessions from your wrist. Live heart rate, calories, stage progress, and water temperature through the entire session. Cold plunge water temperature auto-detects on Apple Watch Ultra and Series 9 or later. Leave the phone in the locker.
REAL-TIME BENEFIT STAGES
Watch your sessions progress through scientifically mapped stages — Cold Shock Response, Catecholamine Activation, Peak Neurochemical Response. Know exactly when you've hit each zone in real time.
BENEFITS TRACKING
Track 28 estimated benefits across sessions including norepinephrine, dopamine, brown fat activation, cardiovascular health, BDNF, and heat shock proteins. Every benefit tagged with the evidence strength behind it.
HEALTH METRICS
Full heart rate curves, HRV, HR range, average bpm, and calories burned — captured automatically through Apple Watch and synced to Apple Health.
CUSTOM ROUTINES
Build multi-step routines that match how you train. Stack cold, sauna, cooldown, and steam steps with custom durations and temperatures. Save them. Launch with one tap.
BREATHWORK INTEGRATION
Four guided techniques: Box, Wim Hof, Physiological Sigh, and Cold Plunge Prep. Use them standalone or as pre-session prep before cold or sauna.
WEEKLY GOAL TRACKING
Visual goal rings for cold, sauna, and steam show weekly progress at a glance. Track streaks, total time, session counts, and trends by week, month, or year.
SESSION HISTORY
Color-coded activity calendar shows every session. Filter by type, browse daily breakdowns with duration, temperature, and heart rate.
APPLE HEALTH NATIVE
Every session writes a workout to the Health app with full HR samples, calories, and duration. Thermal therapy data sits next to your lifts and runs.
WIDGETS & LIVE ACTIVITIES
Follow active sessions from your Lock Screen. Add Home Screen widgets to check weekly goal progress without opening the app. Launch sessions instantly with Siri Shortcuts.
14-day free trial. iOS + Apple Watch. Built for daily use.
Terms of Use: https://getsnowfire.app/terms
Privacy Policy: https://getsnowfire.app/privacy
Finally an App Built Right for Sauna & Cold Plunge
Jaybeezie360
I’ve been using Snowfire for my sauna and cold plunge sessions, and honestly it’s one of the best wellness apps I’ve used. The app is extremely intuitive, well designed, and you can tell the developer put a ton of time and thought into making it right.I love that it works seamlessly with my Apple Watch and includes timers, calorie tracking, progress tracking, and guided programs for sauna and cold plunge sessions. It actually motivates you to stay consistent, push yourself, and hit goals.There really isn’t anything else out there quite like this that combines sauna, cold plunge, calorie tracking, and progress tracking all in one place. Everything feels polished and easy to use.Highly recommend if you’re serious about recovery, wellness, or building better habits. Five stars
Great App Very Easy to Use
Fourrunner17
I have been using the app for several weeks and find the app easy to use and set up for improving my cold plunges and sauna experiences. The watch app makes using it very easy to start and stop. I like the different preset cold hot protocols by industry professionals available. Recommend for daily usage!
User friendly
Rebeka Hamilton
I found this app super helpful, I am new to this and I found it super informative. In my opinion, the options out there for apps similar to this are limited,so I highly reccomend this one.
Best tracker on the market
ScottyApple
Tried out a few of the others but this one is the best by far - sleek UI, deep session tracking, Apple Watch integration actually works well
SnowFire is now FREE to use! Track every cold plunge, sauna, and steam session at no cost, including:
• Full session logging on iPhone
• History, metrics, and weekly goals
• Real-time thermal stage tracking
• Health Metrics integration
SnowFire Pro now unlocks:
• SnowFire on Apple Watch — full session control from your wrist
• Weekly Protocols (Søberg, Nordic, and more)
• Daily Protocol Sessions with science-backed structure
• Custom Routine creation
Plus: refined onboarding, faster session logging, and behind-the-scenes performance improvements.
Version 1.3.1
The developer, KEVIN THOMAS GARY, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
Health & Fitness
Purchases
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
KEVIN THOMAS GARY
Size
22.2 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
