# KETOSCAN vs CycleSafe SA

The clearest difference is iOS requirement: KETOSCAN at 12.0 against CycleSafe SA's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KETOSCAN ships an update every 4 weeks, CycleSafe SA every 2 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | KETOSCAN | CycleSafe SA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (16 ratings)](https://appshunter.io/ios/app/ketoscan/id1446527194/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 31.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 53 MB | 60 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SENTECH KOREA CORP](https://appshunter.io/developer/1446527193) | [MOTAOANA INVESTMENTS (PTY) LTD](https://appshunter.io/developer/1878400737) |

## 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


### CycleSafe SA

[App page](https://appshunter.io/ios/app/cyclesafe-sa/id6759518567)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KETOSCAN free?

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

### Is CycleSafe SA free?

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

### Do KETOSCAN or CycleSafe SA have ads?

Neither KETOSCAN nor CycleSafe SA shows ads.

### Which is updated more often, KETOSCAN or CycleSafe SA?

KETOSCAN ships an update every 4 weeks, and CycleSafe SA every 2 weeks. Most recently, KETOSCAN was updated on November 2, 2026 and CycleSafe SA on November 5, 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.*