# Focus Timer vs Mistake Board

The clearest difference is in-app purchases: Focus Timer at none against Mistake Board's 1. Mistake Board's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Mistake Board sells 1 one-off in-app purchase. Focus Timer asks for nothing beyond the download.

Focus Timer ships an update every 6 days, Mistake Board every 5 days. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Focus Timer | Mistake Board |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 7 MB | 5 MB |
| Requires iOS | 18 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SooRyong Hyun](https://appshunter.io/developer/1685604103) | [昶 黄](https://appshunter.io/developer/1882273731) |

## What reviewers say

### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-the-pomodoro/id6758517514)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mistake Board

[App page](https://appshunter.io/ios/app/mistake-board/id6781180302)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mistake Board Pro | $4.99 | one-time |


## Frequently asked questions

### Is Focus Timer free?

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

### Is Mistake Board free?

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

### Do Focus Timer or Mistake Board have ads?

Focus Timer shows ads; Mistake Board does not.

### Which is updated more often, Focus Timer or Mistake Board?

Focus Timer ships an update every 6 days, and Mistake Board every 5 days. Most recently, Focus Timer was updated on October 5, 2026 and Mistake Board on October 25, 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.*