# OpenNutriTracker vs FastBodyClock

The clearest difference is rating: FastBodyClock at 5.0 against OpenNutriTracker's 4.4. OpenNutriTracker's advantage is ratings volume (17 vs 1) and iOS requirement (15.5 vs 17.0). 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.

FastBodyClock holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: OpenNutriTracker has 17 ratings behind it against 1, so its average is the more settled of the two.

OpenNutriTracker ships an update monthly, FastBodyClock every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OpenNutriTracker | FastBodyClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (17 ratings)](https://appshunter.io/ios/app/opennutritracker/id6451490901/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastbodyclock/id6766765008/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 4 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simon Oppowa](https://appshunter.io/developer/1698527681) | [Daumia LLC](https://appshunter.io/developer/1896323244) |

## What reviewers say

### OpenNutriTracker

[App page](https://appshunter.io/ios/app/opennutritracker/id6451490901)

This app offers a straightforward way to monitor your daily food intake and analyze nutritional information. It features a food diary, custom meal planning, and a barcode scanner for easy logging. Prioritizing user privacy, it provides a completely free and ad-free experience.

**Highlights:** Nutritional tracking, Food diary, Custom meal planning, Barcode scanner, Privacy focused, Open-source

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

**In-app purchases:** none


### FastBodyClock

[App page](https://appshunter.io/ios/app/fastbodyclock/id6766765008)

This app helps you manage intermittent fasting and track your health metrics. It offers a user-friendly interface to monitor your fasting periods and progress towards your wellness objectives.

**Highlights:** Intermittent fasting tracking, Health monitoring, Goal achievement support, Simple interface, Beautiful design

**In-app purchases:** none


## Frequently asked questions

### Is OpenNutriTracker free?

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

### Is FastBodyClock free?

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

### Which has better reviews, OpenNutriTracker or FastBodyClock?

FastBodyClock is rated higher. OpenNutriTracker averages 4.4 out of 5 from 17 ratings, while FastBodyClock averages 5.0 from 1 ratings.

### Do OpenNutriTracker or FastBodyClock have ads?

Neither OpenNutriTracker nor FastBodyClock shows ads.

### Which is updated more often, OpenNutriTracker or FastBodyClock?

OpenNutriTracker ships an update monthly, and FastBodyClock every 3 weeks. Most recently, OpenNutriTracker was updated on November 3, 2026 and FastBodyClock 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.*