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HotLog - Sauna & Cold Plunge

HotLog - Sauna & Cold Plunge

Log Sauna & Infrared Sessions

525 ratings
59 reviews
🌟 Lifestyle
💪 Health & Fitness
$1.99

Details

  • Released
  • Updated
  • December 1, 2018
  • September 22, 2026

Features

Developer

Thomas Dori
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HotLog - Sauna & Cold Plunge screenshot #1 for iPhone
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HotLog - Sauna & Cold Plunge screenshot #5 for iPhone
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About

This app helps you meticulously track your sauna, steam bath, and infrared room sessions. Record details like temperature, humidity, duration, and even the type of aufguss. Gain insights into your habits with appealing statistics and optionally sync your sessions with Apple Health.

✓Track sauna, steam, infrared sessions
✓Log temperature and humidity
✓Record session duration
✓Note aufguss and cold showers
✓View session statistics
✓Sync with Apple Health
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What users say

Summarized from real user reviews of HotLog. Based on 525 reviews and a 4.6/5 average, it highlights the 7 positives and 9 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 👍Simple and intuitive interface
  • 📱Seamless Apple Health integration
  • ⏱️Easy time and session logging
  • 🎯Does exactly what it claims for basic tracking
  • 📊Detailed CSV export functionality
  • ✨Polished and attractive design
  • 🔄Converts sauna time to Apple Health workout minutes

Negative things

  • ⌚No Apple Watch app support
  • 🐛Data loss during phone migration
  • ❌Manual entry only - no automatic tracking
  • 📉Lacks advanced analytics and statistics
  • 💰Limited features for paid app
  • 🔋No heart rate monitoring integration
  • 📊No weekly/monthly/yearly comparison views
  • 🌡️Temperature range limitations (can't track below 30°C or above 40% humidity)
  • 🔗Inconsistent Apple Health syncing for some users
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What's New in HotLog

1.8

September 22, 2026

HotLog 1.8 makes it easier than ever to log your Sessions! - Log your sessions using Siri and Shortcuts, fully automated - The app now remembers the values from your last-logged session and automatically pre-fills them Along the way we also added privacy-friendly, on-device-only iCloud sync stats that you can send us, in case you are experiencing syncing issues.

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User reviews

Most RecentHighest RatedLowest Rated

Top App!

Tut genau, was sie soll!
pst94pst94

Great logging app

Only 4 stars because I would like to be able to log hot tub experiences
Meditation RookieMeditation Rookie

Just a log

If you just want to manually enter on the data from your sauna session this app is for you. That wasn’t what I was looking for.
No stop watch or timer built in to the app so you have to time your session in other ways then figure out/ remember your start time to log it. No cold plunge option.
Caralyn83Caralyn83

Pretty good but room for improvement

Would love to see a timer feature to start a session at anytime and support with Bluetooth devices to automatically track heart rate like from earbuds.
Guardian8AngelGuardian8Angel

Response from developer

A start/stop session timer and Bluetooth-based heart rate tracking are both great ideas & we’ve noted them down. We really appreciate you taking the time and helping shape HotLog! 🔥

Good easy app

Very easy to use & nothing like it
Robc2612Robc2612

Response from developer

Really great to hear you find HotLog easy to use and that it stands out for you. Thanks so much for your rating. 🔥

See 54 more reviews

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User experience

🐞

Reported Bugs

6 issues

Apple Health syncing fails for some users

Bug

Data not migrating to new devices properly

Bug

Temperature field doesn't support ice bath temperatures below 30°C

Bug

Humidity field limited to maximum 40%

Bug

App crashes or won't launch for some users

Bug

CSV export functionality unreliable

Bug
✨

Requested Features

13 requests

Apple Watch app with timer functionality

Feature

Built-in countdown timer for sessions

Feature

Weekly, monthly, and yearly statistics views

Feature

Heart rate monitoring and integration

Feature

Preset saving for temperature, time, and humidity

Feature

Automatic session tracking (start/stop button)

Feature

Cold plunge duration tracking (not just toggle)

Feature

Calorie calculation based on biometric data

Feature

Scent/fragrance logging for sauna sessions

Feature

Multi-user tracking and easy sharing

Feature

Expanded temperature range for ice baths

Feature

Humidity settings above 40%

Feature

Mindfulness/meditation time sync instead of workout minutes

Feature

FAQ

What does HotLog do?

HotLog is a digital companion designed to help you track your sauna, steam bath, and infrared room sessions. It allows you to record key details of each session, providing insights into your habits and potentially syncing with Apple Health.

What details can I log for each session?

You can log various important details for each session, including the type of room (sauna, steam, infrared), temperature, humidity, duration, whether an aufguss was performed, and if you took a cold shower or plunge afterward.

Is HotLog free to use?

Yes, based on the provided information, HotLog is a free application. It does not appear to have any associated costs for downloading or using its core features.

Can this app track my sauna sessions as workouts?

Yes, if you choose to enable this feature, HotLog can track all your logged sauna sessions as workouts within Apple Health. This allows you to integrate your sauna habits into your overall fitness tracking.

Who would benefit from using this app?

This app is ideal for anyone who frequently visits saunas, steam baths, or infrared rooms and wants to monitor their usage. It's beneficial for those interested in the relaxation and potential health benefits of these practices and wish to understand their habits better.