# ThermoTimer — Sauna & Cold Plunge Timer > Sauna & Cold Plunge Timer (iPhone/iPad app by Andy Arevalo.) - Source: https://appshunter.io/ios/app/thermotimer/id6755892933 (this page in markdown: same URL + `.md`) - Developer: [Andy Arevalo](https://appshunter.io/developer/1853674132) - Category: Health & Fitness, Utilities - Price: $4.99 with in-app purchases - Age rating: 4+ - Requires: iOS 17.0 · 8 MB - Languages: Danish, Russian, Norwegian Bokmål, German (Germany), Italian, Japanese, Swedish, Chinese (Simplified, China), Finnish, American English and 3 more - Released: 2025-12-08 - Data updated: 2026-08-15 - User reviews in markdown: https://appshunter.io/ios/app/thermotimer/id6755892933/reviews.md ## What is ThermoTimer? Take Control of Your Hot & Cold Therapy ThermoTimer is the ultimate timing companion for sauna lovers, cold-plunge enthusiasts, and anyone practicing contrast therapy. Whether you’re just getting started or following advanced protocols like the Wim Hof method, ThermoTimer keeps every session precise, safe, and effortless. 6 Guided Therapy Protocols Choose from expertly designed routines—perfect for recovery, wellness, stress reduction, and building resilience: Beginner – A gentle intro to heat & cold therapy Wim Hof Method – Short cold cycles with extended heat recovery Finnish Sauna – Classic Nordic-style timing Contrast Therapy – Switch smoothly between hot and cold Quick Recovery – A fast routine for busy days Cold Focused – Ideal for ice bath and cold plunge training Each protocol includes clear phase transitions, visual cues, and optional audio alerts. Built for Real Sauna Conditions ThermoTimer is designed to perform flawlessly in hot, humid, or low-light environments: Large, high-contrast timer visible through steam Dim mode to keep screens discreet in dark saunas Tap-friendly controls — no tiny buttons Live Activities keeps your timer on the Lock Screen Works 100% offline for remote cabins or spa settings Apple Watch Integration Leave your phone outside the heat. Start, pause, skip phases, and view progress directly from your wrist. Perfect for saunas, cold tubs, and recovery sessions. Track Your Progress Stay consistent and see your improvement over time: Full session history Time spent in hot & cold phases Streak tracking Session export for coaches or wellness logs Three Beautiful Themes Match your environment and personal style: Sauna Glow – Warm amber hues Dark Minimal – Clean, OLED-friendly black Light Clean – High contrast for outdoor cold plunging Clear Audio & Haptic Alerts Never miss a phase transition again. Choose from subtle countdown beeps, phase-complete sounds, or gentle haptics. No Account. No Ads. No Subscriptions. Just a powerful, beautifully designed thermal therapy timer—always ready when you are. Perfect For Sauna users & cold plunge fans Contrast therapy routines Recovery athletes Breathwork & resilience training Wellness spas & at-home sauna setups Wim Hof method practitioners Transform your heat & cold routine with precision. ## Pricing and in-app purchases Base price: $4.99. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | ThermoTimer Pro | $4.99 | one-time | ## Version history (last 4 releases) ### 1.1.0 — 2026-07-01 ThermoTimer is now FREE to download. Thank you to everyone who supported the app early - you have been upgraded to Pro for free, forever. New here? Unlock ThermoTimer Pro - unlimited custom protocols, full session history and stats, export, all themes, and Apple Watch - with a single one-time purchase, no subscription. This release also adds smoother session progress, more reliable Live Activities, and polish throughout. Thanks for using ThermoTimer! ### 1.0.2 — 2026-06-16 What's new in 1.0.2: - Fixed a timing issue where a session could lose track of the current phase after the app was in the background. Your rounds and times now stay accurate even with the screen locked or the phone in your pocket. - ThermoTimer now speaks 13 languages, including Finnish, Swedish, Norwegian, and Danish. - Lock Screen Live Activity reliability improvements and Apple Watch sync fixes. Enjoy your sauna and cold plunge sessions! ### 1.0.1 — 2026-05-12 Live Activities now actually display the timer on the Lock Screen and Dynamic Island (the feature was silently broken since launch). Smoother Live Activity updates with no stale-data flash on session start. Apple Watch companion no longer displays negative time during sync edge cases. More reliable session history saves. Various stability improvements. ### 1.0 — 2025-12-08 No release notes. ## Apps similar to ThermoTimer | App | Rating | Price | Category | | --- | --- | --- | --- | | [TrainingTrakr](https://appshunter.io/ios/app/trainingtrakr/id6751840643) | — | $0.99 | Health & Fitness | | [TBeauty - Glowup Guide](https://appshunter.io/ios/app/tbeauty-glowup-guide/id6759348556) | 3.7 (3) | Free | Health & Fitness | | [GymLedger-Gym Workout Tracking](https://appshunter.io/ios/app/gymledger-gym-workout-tracking/id6758648067) | 5.0 (2) | Free | Health & Fitness | | [Why Baby Cry](https://appshunter.io/ios/app/why-baby-cry/id6758028905) | 5.0 (1) | Free | Health & Fitness | | [White Noise for Everyone](https://appshunter.io/ios/app/white-noise-for-everyone/id6755941450) | 5.0 (1) | Free | Health & Fitness | | [Workout Log - DayOne](https://appshunter.io/ios/app/workout-log-dayone/id6758615362) | 5.0 (1) | Free | Health & Fitness | ## More apps by Andy Arevalo - [Duse - Habit Tracker](https://appshunter.io/ios/app/duse-habit-tracker/id6742254716) - [Not Another Twin Calculator](https://appshunter.io/ios/app/not-another-twin-calculator/id6755574828) - [Not Another Stage Timer](https://appshunter.io/ios/app/not-another-stage-timer/id6755610255) - [OnStage Timer Pro](https://appshunter.io/ios/app/onstage-timer-pro/id6755630146) - [OnTime: Speech & Debate Timer](https://appshunter.io/ios/app/ontime-speech-and-debate-timer/id6755796055) All apps by Andy Arevalo: https://appshunter.io/developer/1853674132 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*