# Ketonix vs RunPrmpt

The clearest difference is update cadence: RunPrmpt at fortnightly against Ketonix's every 5 weeks. Ketonix's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, 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.

Ketonix ships an update every 5 weeks, RunPrmpt fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ketonix | RunPrmpt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/ketonix/id1239051593/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 86 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [M Object Oriented Software Engineering AB](https://appshunter.io/developer/498983792) | [Kouki Saito](https://appshunter.io/developer/912099331) |

## What reviewers say

### Ketonix

[App page](https://appshunter.io/ios/app/ketonix/id1239051593)

This app measures and analyzes breath ketone data from a connected Bluetooth device. It displays trendlines, moving averages, and allows for annotations of lifestyle changes to track progress. Video guides are available for various functions.

**Highlights:** Measure breath ketone data, Analyze ketone trends, Display moving averages, Add lifestyle annotations, Register Bluetooth device, Create user profiles

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

**In-app purchases:** none


### RunPrmpt

[App page](https://appshunter.io/ios/app/runprmpt/id6758149370)

**In-app purchases:** none


## Frequently asked questions

### Is Ketonix free?

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

### Is RunPrmpt free?

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

### Do Ketonix or RunPrmpt have ads?

Neither Ketonix nor RunPrmpt shows ads.

### Which is updated more often, Ketonix or RunPrmpt?

Ketonix ships an update every 5 weeks, and RunPrmpt fortnightly. Most recently, Ketonix was updated on November 2, 2026 and RunPrmpt on October 31, 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.*