# PetBeat vs Fasting Clock

The clearest difference is update cadence: Fasting Clock at every 2 days against PetBeat's every 4 months. Fasting Clock also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

PetBeat ships an update every 4 months, Fasting Clock every 2 days. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PetBeat | Fasting Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 4 MB | 34 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [DIGIRAY.Corp.](https://appshunter.io/developer/1797242800) | [anna kim](https://appshunter.io/developer/1895527781) |

## What reviewers say

### PetBeat

[App page](https://appshunter.io/ios/app/petbeat/id6747958164)

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

**In-app purchases:** none


### Fasting Clock

[App page](https://appshunter.io/ios/app/fasting-clock-if/id6763856247)

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

**In-app purchases:** none


## Frequently asked questions

### Is PetBeat free?

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

### Is Fasting Clock free?

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

### Do PetBeat or Fasting Clock have ads?

Neither PetBeat nor Fasting Clock shows ads.

### Which is updated more often, PetBeat or Fasting Clock?

PetBeat ships an update every 4 months, and Fasting Clock every 2 days. Most recently, PetBeat was updated on September 14, 2026 and Fasting Clock on September 21, 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.*