Avanto – Talviuintipäiväkirja
Not claimedAvanto is a logbook for ice swimming
By JARKKO PETTERI LAITINEN · Health and fitnessWhy we expect it: A focused, well-described logbook for a niche hobby, with clear value, thoughtful cold-hands design, and privacy-first iCloud sync.
About
Avanto is a logbook for ice swimming.
Log a swim in a few taps: water temperature, how long you were in, how many dips, and whether there was a sauna. Pick the spot and the air temperature, wind and conditions fill themselves in.
Water temperature is the one number no weather service publishes, so it is the one you set — a large stepper you can work with cold, wet hands, never a keyboard. Every new entry starts from the last reading at that spot, so after the first swim the form usually needs a tap or two.
See what a season adds up to: current and longest streak, coldest water, longest swim, total dips, and a chart of water against air temperature across the winter.
Already been swimming for years? Add those swims too. A date is enough — anything you cannot remember stays empty rather than being guessed at, and your streaks and records take them into account straight away.
- Works the whole year, not just on ice — from a 20 °C lake in July to below zero in February - Add swims from before you installed it, with only the date if that is all you know - Named swimming spots, matched automatically when you arrive - Weather filled in even if you were offline at the hole; it catches up later - Streaks with a gap you choose, because nobody swims every single day - Syncs through your own iCloud, private to you - Export everything as CSV or JSON whenever you like - Finnish and English
No account to create. No advertising. No tracking. Your log is yours — it lives on your phone and in your own iCloud, and nobody else can read it.
Avanto records what happened. It does not give advice about cold water.
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