# Focus One vs 集中力タイマー

The clearest difference is update cadence: 集中力タイマー at every 8 days against Focus One's every 6 months. Focus One's advantage is iOS requirement (17.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Focus One ships an update every 6 months, 集中力タイマー every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Focus One | 集中力タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 15 MB | 3 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KYUNG SUK PARK](https://appshunter.io/developer/1833171976) | [Koki Komatsu](https://appshunter.io/developer/1796307607) |

## What reviewers say

### Focus One

[App page](https://appshunter.io/ios/app/focus-one-pomodoro-timer/id6751436315)

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

**In-app purchases:** none


### 集中力タイマー

[App page](https://appshunter.io/ios/app/id6796582976)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus One free?

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

### Is 集中力タイマー free?

集中力タイマー is free to download, with no in-app purchases.

### Do Focus One or 集中力タイマー have ads?

Neither Focus One nor 集中力タイマー shows ads.

### Which is updated more often, Focus One or 集中力タイマー?

Focus One ships an update every 6 months, and 集中力タイマー every 8 days. Most recently, Focus One was updated on October 30, 2026 and 集中力タイマー on October 31, 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.*