MetabolicTracker vs Sauna Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MetabolicTracker
Track your ketogenic diet, carb intake, weight, and mood to understand how these factors influence each other. Gain insights into your metabolic health and make informed decisions about your diet and lifestyle.
- Ketogenic diet tracking
- Carb intake monitoring
- Weight tracking
- Mood logging
- Metric correlation analysis
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This is a Ketogenis, Carb, Weight and mood Tracking app. It will help you understand why and how these metrics fit together!
Sauna Trainer
Enhance your sauna experience with guided sessions and performance tracking. Features a free timer and basic voice guidance, with optional Pro tools for advanced audio, history, and insights.
- Free sauna timer
- Basic voice guidance
- Full guided audio programs
- Saved session history
- Progress tracking
- Wellness insights
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Sauna Trainer helps you run calmer, more repeatable sauna sessions with a free sauna timer, Basic voice guidance, and optional Pro tools for deeper audio, tracking, history, and insights. The free version includes: • Sauna timer • Basic voice guidance • Session controls and in-session cues Sauna Trainer Pro is an optional one-time $3.99 purchase. There is no trial, subscription, or recurring charge. Sauna Trainer Pro unlocks for life: • Full guided audio programs • Additional coach voices • Ambient background audio • Biometric profile inputs • Saved session history • Calendar history • Progress tracking and wellness insights Your Pro purchase is tied to your Apple Account and can be restored on your devices. Payment starts only when you confirm with Apple. Sauna Trainer is a wellness app, not a medical device. Always use your own judgment in the sauna, consult your healthcare physician before beginning heat exposure if you have any health concerns, and leave immediately if you feel unwell. Privacy Policy: https://saunatrainer.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: MetabolicTracker at none against Sauna Trainer's 1. Sauna Trainer's advantage is iOS requirement (17.0 vs 26.2). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sauna Trainer sells 1 in-app purchase, starting at $3.99 per month. MetabolicTracker asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for MetabolicTracker against 5.0 for Sauna Trainer. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
MetabolicTracker ships an update every 10 days, Sauna Trainer weekly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | MetabolicTracker | Sauna Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 149 MB |
| Age rating | 12+ | 12+ |
| Developer | William Kastner | Fractelle Inc |
Customer experience
MetabolicTracker
Sauna Trainer
In-app purchases
MetabolicTracker
No in-app purchases
Sauna Trainer
- Sauna Trainer Pro Monthly7 Days trial$3.991 Month









