ColdLog

What it does

ColdLog is a native iOS & Apple Watch app built for cold plunge and ice bath enthusiasts. Track session duration, water temperature, heart rate via HealthKit, GPS location, and weather conditions. Features automatic Water Lock, custom timer alarm, Action Button support for Apple Watch Ultra, detailed stats with charts, and shareable session cards. Built by an indie developer who actually cold plunges.

ColdLog is an iOS and Apple Watch app for tracking cold plunge and ice bath sessions. Monitor duration, water temperature, and heart rate.

Monitor how long you stay in cold water and track your progress over time. Record water temperature for each session using Apple Watch sensors. Monitor your heart rate during cold exposure via HealthKit integration. View all your cold plunge sessions with detailed statistics and trends. Automatic synchronization between your iPhone and Apple Watch. Automatic Water Lock activation to prevent accidental touches. Set a custom timer alert to notify you when your target duration is reached. Apple Watch Ultra users can start workouts instantly with the Action Button. Detailed analytics with charts showing your progress, records, and trends over time. Record GPS location of your sessions and see…from coldlog.eu

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