# 25 vs 集中力タイマー

The clearest difference is ads: 集中力タイマー at none against 25's shown. 25's advantage is device support (3 vs 1) and iOS requirement (18.6 vs 26.1). On price, update cadence 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.

25 ships an update every 2 weeks, 集中力タイマー every 8 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 25 | 集中力タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Size | 11 MB | 3 MB |
| Requires iOS | **18.6** | 26.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [Koki Komatsu](https://appshunter.io/developer/1796307607) |

## What reviewers say

### 25

[App page](https://appshunter.io/ios/app/25-5-timer-focus-timer/id6783129150)

**Features:** macOS Compatibility, Apple Watch app, 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 25 free?

25 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 25 or 集中力タイマー have ads?

25 shows ads; 集中力タイマー does not.

### Which is updated more often, 25 or 集中力タイマー?

25 ships an update every 2 weeks, and 集中力タイマー every 8 days. Most recently, 25 was updated on October 11, 2026 and 集中力タイマー on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*