# PlungeLab > PlungeLab is a cold plunge, ice bath, and cold shower tracker for iPhone and Apple Watch, with manual logging, session history, and optional Apple Health comparisons. PlungeLab is made by Eggyolk. This website describes the native app; it does not record sessions or process health data. ## Product - [PlungeLab](https://plungelab.app/): Product overview and App Store download. - [Cold plunge & ice bath log](https://plungelab.app/cold-plunge-log/): Keep duration, temperature, and notes together—even without a Watch. - [Cold shower tracking](https://plungelab.app/cold-shower-app/): Record showers as their own session type, from your wrist or iPhone. - [Apple Watch capture](https://plungelab.app/apple-watch-cold-plunge-tracker/): Understand the timer, heart-rate capture, and Ultra sensor boundaries. - [Personal patterns](https://plungelab.app/insights/): See what Apple Health comparisons can—and cannot—tell you. - [App Store](https://apps.apple.com/app/id6803226405): Official listing; current storefront availability and localized purchase terms are controlled by Apple. ## Product facts - Platforms: iPhone with iOS 26 or later; Apple Watch with watchOS 11 or later. No Android or web tracking app. - Activities: cold plunge and ice bath logging, cold showers, open water, and manual sauna or contrast logging on iPhone. - A Watch is optional for manual logging. Watch capture records elapsed time and available heart-rate data. Water-temperature sensing is limited to supported Ultra hardware and available sensor readings; it is not guaranteed for showers. - Core capture and session history are free. Optional PlungeLab Pro purchases add personal comparisons and analysis tools. Current prices, products, and trial eligibility are shown by the App Store and in-app purchase sheet. - Session history and Apple Health analysis stay on the user's devices during ordinary app use. RevenueCat receives limited purchase and technical data, not session or Health data. Website hosting and support communications are separate processing described in the privacy policy. - Personal comparisons describe associations, not causation. PlungeLab is not a medical device, exposure prescription, or emergency service. Never use a timer or sensor reading as a guarantee of safety. ## Support and legal - [Support](https://plungelab.app/support/): Contact, syncing, purchases, and data-help information. - [Privacy policy](https://plungelab.app/privacy/): Full data handling and controls. - [Terms of Service](https://plungelab.app/terms/): Safety, license, and purchase conditions. - [Sitemap](https://plungelab.app/sitemap-index.xml): Canonical public pages.