# PerfectFast vs Fasting Center

The clearest difference is update cadence: Fasting Center at every 3 days against PerfectFast's every 9 days. Fasting Center also leads on device support (4 vs 2) and ratings volume (25 vs 8). PerfectFast's advantage is rating (5.0 vs 4.8). On price, review sentiment, 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.

PerfectFast holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 25 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PerfectFast ships an update every 9 days, Fasting Center every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PerfectFast | Fasting Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/perfectfast-fasting-timer/id6759067877/reviews)** | [4.8 (25 ratings)](https://appshunter.io/ios/app/fasting-center-fast-tracker/id6780227473/reviews) |
| Number of ratings | 8 | **25** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | Free |
| Size | 32 MB | 48 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 12+ |
| Developer | [Idan Lupinsky](https://appshunter.io/developer/1876630037) | [Andrey Titov](https://appshunter.io/developer/6780227475) |

## What reviewers say

### PerfectFast

[App page](https://appshunter.io/ios/app/perfectfast-fasting-timer/id6759067877)

This app helps you track intermittent and extended fasting periods with a clean, focused interface. It supports various fasting schedules, custom durations, and provides detailed history and statistics to monitor your progress.

**Highlights:** Intermittent and extended fast tracking, Custom fasting schedules, Fasting history and statistics, Reminders and notifications, Apple Watch companion app, Live Activity support

**Features:** macOS Compatibility, Apple Watch app, 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 PerfectFast free?

PerfectFast 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, PerfectFast or Fasting Center?

PerfectFast is rated higher. PerfectFast averages 5.0 out of 5 from 8 ratings, while Fasting Center averages 4.8 from 25 ratings.

### Do PerfectFast or Fasting Center have ads?

Neither PerfectFast nor Fasting Center shows ads.

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

PerfectFast ships an update every 9 days, and Fasting Center every 3 days. Most recently, PerfectFast was updated on October 25, 2026 and Fasting Center on October 24, 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.*