# onTrack vs Intermittent Fasting Flow

The clearest difference is update cadence: Intermittent Fasting Flow at every 4 days against onTrack's every 7 months. Intermittent Fasting Flow also leads on ratings volume (7 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. onTrack sells 1 one-off in-app purchase and Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for onTrack against 5.0 for Intermittent Fasting Flow. That said, the two scores are not equally well evidenced: Intermittent Fasting Flow has 7 ratings behind it against 1, so its average is the more settled of the two.

onTrack ships an update every 7 months, Intermittent Fasting Flow every 4 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | onTrack | Intermittent Fasting Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ontrack-calorie-tracker/id6745999713/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 3 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Anuj Shelat](https://appshunter.io/developer/1814751529) | [IVAYLO PLAMENOV VACHKOV](https://appshunter.io/developer/1869829896) |

## What reviewers say

### onTrack

[App page](https://appshunter.io/ios/app/ontrack-calorie-tracker/id6745999713)

Effortlessly monitor your daily active and resting calorie burn, and track your food intake against personalized targets. Stay motivated with customizable home screen widgets that display your progress at a glance.

**Highlights:** Automatic activity and calorie syncing, Monitor burned calories with progress bars, Track consumed calories and meal targets, Home screen widgets for instant data view, Customizable graph and widget colors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Customization Feature | $6.99 | one-time |


### Intermittent Fasting Flow

[App page](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617)

Track your fasting periods with a clean, ad-free timer. Choose from various fasting plans and monitor your progress with live widgets. Sync data with Apple Health and use Siri shortcuts for hands-free control.

**Highlights:** Ad-free fasting timer, Lock screen and home screen widgets, Multiple fasting plan durations, Customizable start times, Streak tracking and milestone badges, Apple Health integration, Siri shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is onTrack free?

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

### Is Intermittent Fasting Flow free?

Intermittent Fasting Flow is free to download, with in-app purchases available.

### Which has better reviews, onTrack or Intermittent Fasting Flow?

onTrack and Intermittent Fasting Flow are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do onTrack or Intermittent Fasting Flow have ads?

Neither onTrack nor Intermittent Fasting Flow shows ads.

### Which is updated more often, onTrack or Intermittent Fasting Flow?

onTrack ships an update every 7 months, and Intermittent Fasting Flow every 4 days. Most recently, onTrack was updated on October 8, 2026 and Intermittent Fasting Flow on October 8, 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.*