# DoFast vs Hang Timer

The clearest difference is update cadence: Hang Timer at every 3 weeks against DoFast's every 2 months. DoFast's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.4). 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.

DoFast ships an update every 2 months, Hang Timer every 3 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | DoFast | Hang Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 8 MB | 2 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Igor Lenderman](https://appshunter.io/developer/1886154638) | [William Howze](https://appshunter.io/developer/6774407765) |

## What reviewers say

### DoFast

[App page](https://appshunter.io/ios/app/dofast-intermittent-fasting/id6760772207)

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

**In-app purchases:** none


### Hang Timer

[App page](https://appshunter.io/ios/app/hang-timer-30-day-challenge/id6774407493)

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

**In-app purchases:** none


## Frequently asked questions

### Is DoFast free?

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

### Is Hang Timer free?

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

### Do DoFast or Hang Timer have ads?

Neither DoFast nor Hang Timer shows ads.

### Which is updated more often, DoFast or Hang Timer?

DoFast ships an update every 2 months, and Hang Timer every 3 weeks. Most recently, DoFast was updated on October 31, 2026 and Hang Timer on November 10, 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.*