# FastTam vs Fasting Window

The clearest difference is in-app purchases: Fasting Window at none against FastTam's 1. Fasting Window also leads on ads (none vs shown) and device support (3 vs 1). FastTam's advantage is update cadence (every 3 weeks vs every 2 months). On price there is nothing between them.

Both are free to download. FastTam sells 1 one-off in-app purchase. Fasting Window asks for nothing beyond the download.

FastTam ships an update every 3 weeks, Fasting Window every 2 months. The most recent releases landed on October 31, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | FastTam | Fasting Window |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 18 MB | 21 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Iksang Hwang](https://appshunter.io/developer/1712487986) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### FastTam

[App page](https://appshunter.io/ios/app/fasttam-fasting-and-diet/id6765995574)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


### Fasting Window

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

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

**In-app purchases:** none


## Frequently asked questions

### Is FastTam free?

FastTam is free to download, with in-app purchases available.

### Is Fasting Window free?

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

### Do FastTam or Fasting Window have ads?

FastTam shows ads; Fasting Window does not.

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

FastTam ships an update every 3 weeks, and Fasting Window every 2 months. Most recently, FastTam was updated on October 31, 2026 and Fasting Window on November 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.*