Cold Plunge.
Sauna. Steam.
Tracked.
Science-backed thermal therapy tracking with real-time benefit zones, research-backed protocols, and Apple Watch integration.
Not just a timer.
Intelligent tracking.
SnowFire tracks what's happening to your body at every stage of your session — backed by peer-reviewed research.
Real-Time Benefit Zones
From Cold Shock Response to Peak Neurochemical Release — see exactly when each benefit unlocks during your session.
Science-Backed Protocols
Follow programs from Søberg, Huberman, Patrick, and more. Each with exact research citations and evidence ratings.
Multi-Step Routines
Build contrast therapy sequences like Cold → Sauna → Cold → Steam. Save them as templates for one-tap launching.
Apple Watch Integration
Real-time heart rate, automatic water temperature detection, calorie tracking, and session control from your wrist.
28 Tracked Benefits
Norepinephrine, dopamine, HSPs, growth hormone, brown fat activation, cardiovascular health, and more.
Widgets & Live Activities
Weekly goal rings on your Home Screen. Active session timer with benefit zones on your Lock Screen.
Protocols from the best researchers
Every protocol includes exact research citations, evidence strength ratings, and specific session requirements.
Søberg
Metabolism & brown fat
4×/week
Huberman
Dopamine & focus
3×/week
Patrick
Cardiovascular health
4×/week
Growth Hormone
Extended heat exposure
2×/week
Nordic
Traditional contrast
3×/week
SnowFire
Balanced signature
5×/week
Your body adapts.
Track the journey.
Join thousands of thermal therapy practitioners who take their practice seriously.
Download on the App Store