# Fasting Window vs Fasting Timer

The clearest difference is ads: Fasting Window at none against Fasting Timer's shown. Fasting Timer's advantage is update cadence (every 2 days vs every 4 months). On price, in-app purchases, device support 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 Window ships an update every 4 months, Fasting Timer every 2 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fasting Window | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 20 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HeungYeol Kim](https://appshunter.io/developer/1878087341) | [SEOKWON YANG](https://appshunter.io/developer/1863325487) |

## What reviewers say

### Fasting Window

[App page](https://appshunter.io/ios/app/fasting-window-if-timer/id6774622599)

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

**In-app purchases:** none


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-slox/id6777732517)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fasting Window free?

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

### Is Fasting Timer free?

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

### Do Fasting Window or Fasting Timer have ads?

Fasting Timer shows ads; Fasting Window does not.

### Which is updated more often, Fasting Window or Fasting Timer?

Fasting Window ships an update every 4 months, and Fasting Timer every 2 days. Most recently, Fasting Window was updated on October 13, 2026 and Fasting Timer on October 7, 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.*