Comparison

MetabolicTracker vs Sauna Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Ketogenic diet tracking
  • Carb intake monitoring
  • Weight tracking
  • Mood logging
  • Metric correlation analysis
Features
Read full description

This is a Ketogenis, Carb, Weight and mood Tracking app. It will help you understand why and how these metrics fit together!

About

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.

Highlights
  • Free sauna timer
  • Basic voice guidance
  • Full guided audio programs
  • Saved session history
  • Progress tracking
  • Wellness insights
Features
Read full description

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

MetabolicTracker4 screens
Sauna Trainer4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

MetabolicTracker ships an update every 10 days, Sauna Trainer weekly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
MetabolicTracker versus Sauna Trainer: the parameters behind the verdict, then further details
ParameterMetabolicTrackerSauna Trainer
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings24 — better
Update frequencyEvery 10 daysWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS26.217.0 — better
Further details — not scored
Size4 MB149 MB
Age rating12+12+
DeveloperWilliam KastnerFractelle Inc

Customer experience

MetabolicTracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sauna Trainer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MetabolicTracker

No in-app purchases

1 purchases

Sauna Trainer

Subscriptions1
  • Sauna Trainer Pro Monthly7 Days trial$3.991 Month

Questions

Is MetabolicTracker free?
MetabolicTracker is free to download, with no in-app purchases.
Is Sauna Trainer free?
Sauna Trainer is free to download, with in-app purchases available.
Which has better reviews, MetabolicTracker or Sauna Trainer?
MetabolicTracker and Sauna Trainer are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do MetabolicTracker or Sauna Trainer have ads?
Neither MetabolicTracker nor Sauna Trainer shows ads.
Which is updated more often, MetabolicTracker or Sauna Trainer?
MetabolicTracker ships an update every 10 days, and Sauna Trainer weekly. Most recently, MetabolicTracker was updated on October 31, 2026 and Sauna Trainer on October 24, 2026.

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