# KETOSCAN vs Slimpal

KETOSCAN and Slimpal both sit at 2.6 stars, but that hides the real split: 32% of KETOSCAN's written reviews are positive against 20% of Slimpal's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KETOSCAN holds the better App Store score, 2.6 against 2.5. Both are backed by a comparable volume of ratings — 16 and 31 respectively. Written reviews point the same way: 32% of KETOSCAN's written reviews are positive against 20% of Slimpal's.

KETOSCAN ships an update every 4 weeks, Slimpal every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | KETOSCAN | Slimpal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (16 ratings)](https://appshunter.io/ios/app/ketoscan/id1446527194/reviews)** | [2.5 (31 ratings)](https://appshunter.io/ios/app/slimpal/id1574164618/reviews) |
| Number of ratings | 16 | **31** |
| Positive reviews | **31.6% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 53 MB | 107 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SENTECH KOREA CORP](https://appshunter.io/developer/1446527193) | [HealthVast Ltd.](https://appshunter.io/developer/1574164620) |

## What reviewers say

### KETOSCAN

[App page](https://appshunter.io/ios/app/ketoscan/id1446527194)

This device measures ketone levels through breath analysis, indicating body fat decomposition. It's ideal for those on ketogenic diets or seeking to monitor fat loss scientifically. Data can be integrated with the Health app for comprehensive tracking.

**Highlights:** Breath ketone measurement, Body fat decomposition rate, Ketogenic diet support, Health app integration, Scientific diet tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Slimpal

[App page](https://appshunter.io/ios/app/slimpal/id1574164618)

Track your body composition and health metrics by connecting to smart scales and tape measures. Sync your data with popular fitness apps to get a comprehensive view of your well-being. Monitor weight, BMI, body fat, muscle mass, and more.

**Highlights:** Measure weight and body circumference, Track BMI and body fat percentage, Monitor muscle mass and bone mass, Record BMR and metabolic age, Sync with Apple HealthKit and Fitbit

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KETOSCAN free?

KETOSCAN is free to download, with no in-app purchases.

### Is Slimpal free?

Slimpal is free to download, with no in-app purchases.

### Which has better reviews, KETOSCAN or Slimpal?

KETOSCAN is rated higher. KETOSCAN averages 2.6 out of 5 from 16 ratings, while Slimpal averages 2.5 from 31 ratings.

### Do KETOSCAN or Slimpal have ads?

Neither KETOSCAN nor Slimpal shows ads.

### Which is updated more often, KETOSCAN or Slimpal?

KETOSCAN ships an update every 4 weeks, and Slimpal every 6 weeks. Most recently, KETOSCAN was updated on October 24, 2026 and Slimpal on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*