Frost: Cold Plunge & Ice Bath

Your personal AI cold coach. Track every plunge, ice bath and cold shower, build your streak, and unlock benefit zones. Free to start, no account needed.

Frost is the cold exposure tracker with a personal AI coach in your pocket. Track every cold plunge, ice bath, and cold shower, build a daily streak, and get clear guidance on protocols, recovery, and progress. No account, no clutter, and your data stays on your phone.

Why people choose Frost:

Personal AI coach. Ask anything about cold exposure and get concise, supportive answers based on your own log. Instant session debriefs. Finish a session and get personalized feedback right away. Reliable timer. Quick presets or a custom countdown with calming breath pacing, haptics, and a Live Activity, so your timing never fails. Motivating streaks. Build and protect your daily cold streak and stay consistent. Cold Benefit Zones. Watch your progress from Cold Shock to Cold Mastery. Deep stats. Trends, monthly charts, a contribution heatmap, and a when-you-get-cold pattern view. Full history. Every session logged with type, duration, water temperature, and mood. Widgets. Keep your streak on your Home Screen and Lock Screen. Private by design. No account and no cloud. Your log lives on your device. Universal. A native experience on both iPhone and iPad.

Pro. Unlimited timer, logging, streaks, recent history, and the basic AI coach. Advanced AI coaching with multi-week adaptation programs and deep insights. Unlimited history and full stats. Cold Benefit Zones, extra themes, and backup and export. Frost is a wellness and habit tracking tool. It is not a medical device and does not provide medical advice. Cold exposure carries real risks. Ease in, never plunge alone, and consult a doctor about your risk factors.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/