# Fasten vs Fasting Center

The clearest difference is update cadence: Fasting Center at every 3 days against Fasten's every 2 months. Fasting Center also leads on rating (4.8 vs 4.5) and ratings volume (25 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Fasting Center holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Fasting Center has 25 ratings behind it against 2, so its average is the more settled of the two.

Fasten ships an update every 2 months, Fasting Center every 3 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fasten | Fasting Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/fasten-fasting-tracker/id6760921042/reviews) | **[4.8 (25 ratings)](https://appshunter.io/ios/app/fasting-center-fast-tracker/id6780227473/reviews)** |
| Number of ratings | 2 | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 37 MB | 49 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Yoel Mebrahtu](https://appshunter.io/developer/1886822133) | [Andrey Titov](https://appshunter.io/developer/6780227475) |

## What reviewers say

### Fasten

[App page](https://appshunter.io/ios/app/fasten-fasting-tracker/id6760921042)

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

**In-app purchases:** none


### Fasting Center

[App page](https://appshunter.io/ios/app/fasting-center-fast-tracker/id6780227473)

Plan extended fasts with personalized projections. Input your body stats and desired duration to estimate weight change, fat loss, and energy use. This data-driven tool provides a clear starting point for your fasting journey.

**Highlights:** Personalized fast planning, Extended fast duration options, Projected weight change, Estimated fat loss, Energy use projection, Data-driven starting point

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fasten free?

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

### Is Fasting Center free?

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

### Which has better reviews, Fasten or Fasting Center?

Fasting Center is rated higher. Fasten averages 4.5 out of 5 from 2 ratings, while Fasting Center averages 4.8 from 25 ratings.

### Do Fasten or Fasting Center have ads?

Neither Fasten nor Fasting Center shows ads.

### Which is updated more often, Fasten or Fasting Center?

Fasten ships an update every 2 months, and Fasting Center every 3 days. Most recently, Fasten was updated on October 31, 2026 and Fasting Center on October 28, 2026.

---

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