# Fasting interval 16 vs Fasting Clock

The clearest difference is update cadence: Fasting interval 16 at weekly against Fasting Clock's every 4 months. Fasting interval 16 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, 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.

Fasting interval 16 ships an update weekly, Fasting Clock every 4 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Fasting interval 16 | Fasting Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free | — |
| Size | 25 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Dirk Storjohann](https://appshunter.io/developer/1456635825) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Fasting interval 16

[App page](https://appshunter.io/ios/app/fasting-interval-168/id1494623370)

This app helps you track your intermittent fasting schedule. Simply input your fasting start time, and it will monitor your progress and notify you when your fasting interval concludes. It's designed to support your intermittent fasting journey.

**Highlights:** Intermittent fasting tracking, Fasting start time input, Fasting interval end notification, Supports 16:8 fasting schedule, Proven effectiveness support

**Features:** macOS Compatibility

**In-app purchases:** none


### Fasting Clock

[App page](https://appshunter.io/ios/app/fasting-clock-168-omad-log/id6772257547)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fasting interval 16 free?

Fasting interval 16 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 Fasting interval 16 or Fasting Clock have ads?

Neither Fasting interval 16 nor Fasting Clock shows ads.

### Which is updated more often, Fasting interval 16 or Fasting Clock?

Fasting interval 16 ships an update weekly, and Fasting Clock every 4 months. Most recently, Fasting interval 16 was updated on October 12, 2026 and Fasting Clock on October 11, 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.*