# Sauna Tracker: Sleep & Plunge — Sleep, Recovery & Cold Plunge > Log and analyze sauna, cold plunge, and other therapy sessions with heart rate tracking. (iPhone/iPad app by Frank Vincent Petruccelli.) - Source: https://appshunter.io/ios/app/sauna-tracker-sleep-and-plunge/id6739606616 (this page in markdown: same URL + `.md`) - Developer: [Frank Vincent Petruccelli](https://appshunter.io/developer/1780445748) - Category: Health & Fitness, Lifestyle - Price: $5.99 - Rating: 4.40/5 from 25 App Store ratings · 35 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 14 MB - Languages: American English - Released: 2025-01-09 - Data updated: 2026-10-24 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sauna-tracker-sleep-and-plunge/id6739606616/reviews.md ## What is Sauna Tracker? Over 250,000 sessions tracked worldwide! Sauna Tracker is the #1 app for tracking Sauna Sessions, Cold Plunges, Hyperbaric Oxygen Therapy, and Red Light Therapy — now with Sleep & Recovery insights tying heat therapy to how you sleep. Transform your longevity routine with Sauna Tracker, the ultimate Sauna, Cold Plunge, and Recovery tracking app for Apple Watch and iPhone. Monitor your Sauna, Cold Plunge, HBOT, and Red Light Therapy sessions, see how each one changes your sleep and HRV the next day, unlock insights with Sauna Benefit Zones, and hit your wellness goals — all in one beautifully redesigned app. Features Sauna and Cold Plunge lovers rave about: 1. NEW — Sleep & Recovery Dashboard - See exactly how much more sleep you get on nights you sauna - Resting heart rate and HRV compared on sauna days vs. non-sauna days - Evening vs. morning session timing split — know when heat therapy helps recovery most - Sleep score, sleep stages (deep, REM, core), and recovery trends over time - All computed locally from Apple Health — no account, no cloud 2. Real-Time Heart Rate Tracking for Sauna and Cold Plunge Sessions - Monitor your heart rate live on your Apple Watch during every Sauna and Cold Plunge Session - Track calories burned and Sauna Benefit Zones (Warm-Up, Core Heat, Detox, HSP Release, Max Benefit) - Track calories burned and Cold Plunge Benefit Zones (Cold Shock, Adaptation, Metabolic Boost, Resilience, Cold Mastery) - Start sessions from iPhone or Apple Watch with automatic duration recording and background live activities - Track your Sauna and Cold Plunge session goal with visual progress rings - Set Heart Rate alerts when your heart rate reaches a certain threshold while in the Sauna or Cold Plunge 3. Revolutionary Sauna and Cold Plunge Benefit Zones - Real-time zone tracking shows exactly when you enter each benefit phase - Zone-colored heart rate charts reveal optimal sauna timing - Complete zone analysis shows which benefits you've unlocked - Personalized insights for maximizing each sauna session 4. Goals, Streaks, and Beautiful Stats - Redesigned stats view with interactive charts and weekly comparisons - Heart rate trends with zone-colored visualization over time - Weekly progress with week-over-week improvement tracking - Detailed session summaries with benefit zone completion status - Set your weekly Sauna and Cold Plunge goals directly from the dashboard 5. Designed for Every Sauna and Cold Plunge Experience - Track Traditional, Infrared, and Steam saunas worldwide + Hot Tub session tracking - Track Cold Plunge Sessions and Cold Showers - Full Celsius and Fahrenheit temperature support - Customize session and cold plunge goals and track temperatures precisely - Tailored insights for every sauna type and cold plunge 6. Deep Apple Health Integration - Syncs with Apple Health for a comprehensive wellness view - Reads sleep, HRV, and resting heart rate to power the Recovery dashboard - Writes workouts and heart rate data from Sauna Sessions back to Apple Health - Calories burned in saunas count toward Activity Goals - Long-term tracking to measure progress and health improvements Private by Design Your sleep, HRV, and session data never leave your device. No accounts. No cloud storage. Total privacy, always. Built for Every Sauna Enthusiast Beginners: Easy-to-use with automatic session tracking, benefit zone guidance, and simple sleep comparisons Regular Users: Monitor progress with enhanced stats, streaks, and recovery trends to optimize routines Advanced Users: Dive into detailed HRV, sleep stage, and benefit zone analytics to fine-tune every heat therapy and cold therapy protocol Whether you're improving heart health, boosting recovery, extending longevity, or simply relaxing — Sauna Tracker is the only app that connects what happens in the sauna to how you sleep tonight. Download now and elevate every session. ## Key features - Real-time heart rate tracking - Sauna and Cold Plunge Benefit Zones - Goal setting and progress tracking - Detailed analytics and stats - Support for various sauna types and cold showers - Apple Health integration ## Chart rankings - #70 in Top Paid · Health & Fitness (US App Store) ## Is Sauna Tracker safe? Not enough ratings yet to assess Sauna Tracker. ## Is Sauna Tracker legit? Sauna Tracker: Sleep & Plunge appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Sauna Tracker is 73 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (10 of 35) All indexed reviews: https://appshunter.io/ios/app/sauna-tracker-sleep-and-plunge/id6739606616/reviews.md ### 3/5 — Need widget on watch *2026-07-17* Please include a widget for watch face, for the cost of all I don’t want to have to scroll through every time to find the app, there should be a widget to click on for your watch face. Thank you ### 2/5 — Used to work fine *2026-06-10* I use this app to track my sauna sessions. Now you start the timer on your watch and nothing happens Hope they fix this issue soon ### 4/5 — Edits *2026-04-19* Sometimes I forget to turn off the session on the cold plunge and it messes up the calculations. Need the option to edit the time. I want the ability to edit where the suana and cold plunge tab appear on my watch. I don’t hot tub or do hyperbolic chambers so I shouldn’t have to scroll past those every time. Otherwise, good job **Developer response:** Hey thanks for the kind words. Couple things to address your concerns. You can currently edit the start and end time of a session by clicking on the start and end time on the session page. Once you click on the times you can edit them to be whatever you want. On the second point, I agree. We’ll fix this in the next release! ### 1/5 — Used to work *2026-04-02* I used to enjoy this app but lately it does not accurately track my sessions. During a session, while in the app, after I hit start, it does not show anytime elapsing on the duration. When I exit the app, I can see a workout widget on my Apple Watch screen counting down. When I return back to the app, it still shows no time clocking. No sessions are Tracking in fitness. **Developer response:** Hey Camhut, Thanks for using Sauna Tracker I appreciate your support. Apologies for this issue. It’s a known issue currently and we have a fix, it will be deployed in the next week. We completely changed the time keeping mechanism of the app and made it significantly more reliable for keeping session time. Additionally we added more features that we think you’ll love. Once again apologies for this but it will be fixed very shortly. Thank you! ### 5/5 — My Sauna ritual is not complete without t this App. *2026-03-16* A Wonderful tool to know very important metrics including Temperature and Heart rate during Sauna. Also keeps track of Sauna usage and reminders. A perfect complement to Sauna. ### 1/5 — Not as expected *2026-03-05* Downloaded the app due to recommendations and price. Unfortunately it will not link to apple health and did not record my Apple Watch session and without heart rate and cals. Hopefully a bug! **Developer response:** We have identified a bug that is effected a very small number of users and have a fix, we are expected to push this fix in the next couple of days. Thank you for helping us identify and fix it, looking forward to a more stable app because of your feedback! ### 5/5 — Great app *2026-03-02* This app has been great for tracking my sauna usage.. it helps me track both the time as well as my heart rate… it’s also great as it saves your session to apple health so you can keep track your sessions as part of your overall health monitoring **Developer response:** Thanks for the kind words, appreciate the positive review ! ### 5/5 — Best one for sauna and hot tub and steam room *2026-02-24* I was looking for an app that would allow me to track my time in the sauna and the hot tub and the steam room in the same place for duration and tracking with my workouts and this seems to be the only thing out there that does all of them without an “other” situation. The UI is also really appealing and soothing, which is nice since that’s the whole point of all of this - health and improved relaxation. **Developer response:** Thank you! ### 5/5 — Awesome app *2026-02-14* Smooth and polished all with all the features needed to make tracking Sauna use seamless. The creator is very responsive to email and excited to hear about future updates. ### 5/5 — Great App *2026-02-03* Great UI and very user friendly. Give it a shot. You won’t be disappointed. ## Frequently asked questions about Sauna Tracker ### What does the Sauna & Cold Plunge Tracker app do? This app allows you to log and monitor your sauna sessions, cold plunges, hyperbaric oxygen therapy, and red light therapy. It tracks your heart rate in real-time, identifies specific benefit zones for each therapy type, and provides detailed analytics on your progress. ### What are the key features of the Sauna & Cold Plunge Tracker app? Key features include real-time heart rate tracking during sessions, revolutionary benefit zone identification (e.g., HSP Release, Metabolic Boost), goal setting with visual progress rings, enhanced analytics with interactive charts, and seamless integration with Apple Health. ### Is the Sauna & Cold Plunge Tracker app free to use? Yes, the app is available for free. It does not have in-app purchases or advertisements, offering a complete tracking experience without any cost to the user. ### What devices is the Sauna & Cold Plunge Tracker app compatible with? The app is designed for Apple Watch and iPhone. It leverages Apple Watch for real-time heart rate monitoring and allows session initiation from both devices, with automatic duration recording and background live activities. ### How can I use the Sauna & Cold Plunge Tracker app to improve my wellness routine? By tracking your sessions and monitoring your heart rate and benefit zones, you can gain insights into optimal timing and duration for each therapy. Setting and tracking goals, along with reviewing weekly progress, helps you consistently improve and achieve your wellness objectives. ## Version history (last 5 releases) ### 1.22 — 2026-10-04 Sleep & Recovery insights are here. A new Recovery card on your Dashboard shows how your sauna sessions line up with your sleep. We compare your sauna nights to your other nights — automatically, from your existing Apple Health data — and surface the pattern in plain English: "42 minutes more sleep on sauna nights." Tap in for the full breakdown: deep sleep, REM, sleep efficiency, plus a view that compares evening sessions to earlier ones. Resting heart rate and HRV get their own trend charts too. Already wearing your Apple Watch to bed? Your insights are ready the moment you open the app — no waiting required. ### 1.21 — 2026-09-28 Built for iOS 27. This update brings Liquid Glass refinements to Heart Rate Alerts and Goal Completion Alerts, plus a clearer heads-up if Health access isn’t enabled when you start a session. Under the hood: better stability so your sauna logs stay reliable from heat-up to cooldown. • Full iOS 27 support • Liquid Glass polish on Heart Rate and Goal Completion Alerts • On-screen message when Health permissions are off at session start • Stability and reliability improvements ### 1.20 — 2026-04-16 New from us: Gymi — AI-powered workouts for your training days. Try it out in the settings. - More dependable session timer and tracking - Track Hyperbaric Chamber & Red Light Therapy sessions - Track SpO2 on Apple Watch - Auto-end sessions ### 1.19 — 2026-04-06 Longevity Tracking, Watch Widgets, Siri Sessions and more! New Activity Types: - Track Hyperbaric Chamber Sessions and Red Light Therapy Sessions in Sauna Tracker - Track your Longevity sessions from the dashboard with a new Longevity Progress bar Hey Siri Integration - Ask Siri to start a sauna session in Sauna Tracker for a hands free experience, works on Apple Watch and iPhone. Apple Watch Widgets - Add the new Sauna Tracker widgets to your Apple Watch to start a session with 1 tap or monitor your sauna and cold plunge goals at a glance. Improvements - Added the ability to end or continue your session from the Goal Notification screen - Added the ability to end sessions automatically when you reach your session goal, Enable it on the settings page! - Improved Session reliability and session timekeeping - Resolved a bug that prevented back to back sessions from starting and tracking correctly ### 1.18 — 2026-02-23 New Features - Add Past Sauna & Cold Plunge Sessions - You can now manually log sessions that weren't tracked in the app. Tap the + button on the dashboard, select "Add Session". - Edit Sessions - Made a mistake or forgot to stop a session? You can now tap the start or end time on any session's detail page to adjust it. Duration and stats update automatically. - Cloud Backup -Your session history is now automatically backed up to iCloud. If you ever switch phones or need to reinstall, your sessions restores automatically! Behind the scenes updates for new AI Features - We're working on amazing new features that measure the impact of your sauna sessions on Sleep, HRV and other key health metrics. This update prepares the app for the future! Bug Fixes - Fixed an issue where some notifications didn't fire as expected. - Fixed an issue where some sessions fail at start. ## Apps similar to Sauna Tracker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Sauner - Sauna Tracker & Log](https://appshunter.io/ios/app/sauner-sauna-tracker-and-log/id6755998688) | 4.3 (9) | $0.99 | Health & Fitness | | [HotLog - Sauna & Cold Plunge](https://appshunter.io/ios/app/hotlog-sauna-and-cold-plunge/id1413952733) | 4.6 (529) | $1.99 | Health & Fitness | | [Ultra Cold Plunge & Sauna](https://appshunter.io/ios/app/ultra-cold-plunge-and-sauna/id6499478156) | 4.2 (51) | Free | Health & Fitness | | [GoPolar: Cold Plunge & Sauna](https://appshunter.io/ios/app/gopolar-cold-plunge-and-sauna/id6463441179) | 4.7 (311) | Free | Health & Fitness | | [ThermaSesh](https://appshunter.io/ios/app/thermasesh/id6447648037) | 4.6 (78) | Free | Health & Fitness | | [Cold Plunge & Sauna: Polar Log](https://appshunter.io/ios/app/cold-plunge-and-sauna-polar-log/id6474701834) | 4.6 (16) | Free | Health & Fitness | ## More apps by Frank Vincent Petruccelli - [Gymi: AI Gym Personal Trainer](https://appshunter.io/ios/app/gymi-ai-gym-personal-trainer/id6742498016) - [Room Scanner AI Estimator](https://appshunter.io/ios/app/room-scanner-ai-estimator/id6760211640) - [Tick Tracker: Monitor Ticks](https://appshunter.io/ios/app/tick-tracker-monitor-ticks/id6768633904) All apps by Frank Vincent Petruccelli: https://appshunter.io/developer/1780445748 ## Related topics [sisu sauna and cold plunge](https://appshunter.io/ios/topics/sisu-sauna-and-cold-plunge) · [sauna tracker](https://appshunter.io/ios/topics/sauna-tracker) · [sauna](https://appshunter.io/ios/topics/sauna) · [sauna app](https://appshunter.io/ios/topics/sauna-app) --- *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 2026-10-24.*