# ThermaForge: Cold & Heat Log — Ice bath & sauna tracking

> Ice bath & sauna tracking (iPhone/iPad app by Tim Doyle.)

- Source: https://appshunter.io/ios/app/thermaforge-cold-and-heat-log/id6762175476 (this page in markdown: same URL + `.md`)
- Developer: [Tim Doyle](https://appshunter.io/developer/1893240843)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 26.4 · 8 MB
- Languages: English
- Released: 2026-05-03
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/thermaforge-cold-and-heat-log/id6762175476/reviews.md

## What is ThermaForge?

Track cold sessions on Apple Watch. Log heat sessions on iPhone.

ThermaForge helps you record ice baths, cold exposure, and sauna sessions with precise time, temperature, and heart rate data in one clean workflow.

Designed for simplicity and accuracy, it makes it easy to track your routine, review your history, and stay consistent over time.

KEY FEATURES

• Start and track cold sessions on Apple Watch
• Log sauna and heat sessions on iPhone
• Record duration, temperature, and heart rate
• View simple, clear session summaries
• Add, edit, and review sessions over time
• Sync with Apple Health

PRIVATE BY DESIGN

Your data stays on your device and in Apple Health.
No accounts. No tracking. No ads.


## Version history (last 2 releases)

### 1.0.1 — 2026-05-28

Added feedback on completed cold plunge sessions to provide a clearer summary after each session.

### 1.0 — 2026-05-03

No release notes.

## More apps by Tim Doyle

- [BioForge](https://appshunter.io/ios/app/bioforge/id6762248984)
- [PepForge](https://appshunter.io/ios/app/pepforge/id6763676253)

All apps by Tim Doyle: https://appshunter.io/developer/1893240843

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*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 2026-06-01.*