Free tools
Tools you can use without installing anything
Two of them, both genuinely free and neither crippled to push you towards the app. They run in your browser, ask for no account and no email, and store nothing.
Contrast therapy timer
Warm, cold and the change-over between them, timed independently for up to 10 rounds. Audio cues on every phase change, keyboard control, and the screen kept awake where the browser supports it.
Runs in your browser · nothing stored
OpenCold exposure log template
An eleven-column CSV for plunges, ice baths, cold showers and contrast sessions — date, modality, water temperature, cold minutes, rounds, warm phase, difficulty and notes. Printable too.
CSV download · no email required
OpenBoth stop at the edge of the tub. The app runs the same rounds from your wrist and keeps the history — free to download, and no account either.
