# OntoFit vs CarbPeek

The clearest difference is in-app purchases: OntoFit at none against CarbPeek's 1. OntoFit also leads on iOS requirement (9.0 vs 26.5). CarbPeek's advantage is update cadence (every 8 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. CarbPeek sells 1 in-app purchase, starting at $4.99 per month. OntoFit asks for nothing beyond the download.

OntoFit ships an update every 3 months, CarbPeek every 8 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OntoFit | CarbPeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/ontofit/id1453150726/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 28.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 125 MB | 1 MB |
| Requires iOS | **9.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [文妤 黄](https://appshunter.io/developer/1383669544) | [James Aguayo](https://appshunter.io/developer/6810958404) |

## What reviewers say

### OntoFit

[App page](https://appshunter.io/ios/app/ontofit/id1453150726)

This app provides detailed body composition analysis and tracks your health metrics over time. It offers personalized insights and supports multiple family users, integrating with health platforms for comprehensive health management.

**Highlights:** 13 body composition analysis, Trend charts for tracking changes, Body shaping measurements, Support for up to 24 users, Integration with Apple Health, Personalized app theme colors

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

**In-app purchases:** none


### CarbPeek

[App page](https://appshunter.io/ios/app/carbpeek/id6810958402)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarbPeek Monthly | $4.99 | per month |


## Frequently asked questions

### Is OntoFit free?

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

### Is CarbPeek free?

CarbPeek is free to download, with in-app purchases available.

### Do OntoFit or CarbPeek have ads?

Neither OntoFit nor CarbPeek shows ads.

### Which is updated more often, OntoFit or CarbPeek?

OntoFit ships an update every 3 months, and CarbPeek every 8 days. Most recently, OntoFit was updated on November 2, 2026 and CarbPeek on October 31, 2026.

---

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