Jan Rondos

Jan Rondos

Maker of ColdLog – cold plunge tracker

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Tastemaker
Tastemaker
Gone streaking
Gone streaking

Maker History

  • ColdLog
    ColdLogTrack your cold plunge sessions on Apple Watch
    Mar 2026
  • 🎉
    Joined Product HuntMarch 16th, 2026

Forums

Jan Rondos

3mo ago

ColdLog - Track your cold plunge sessions on Apple Watch

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.
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