# LOOP vs 集中力タイマー

The clearest difference is in-app purchases: 集中力タイマー at none against LOOP's 1. 集中力タイマー also leads on ads (none vs shown). LOOP's advantage is update cadence (daily vs every 6 days) and iOS requirement (18.5 vs 26.1). On price and device support there is nothing between them.

Both are free to download. LOOP sells 1 in-app purchase, starting at $1.99 per month. 集中力タイマー asks for nothing beyond the download.

LOOP ships an update daily, 集中力タイマー every 6 days. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LOOP | 集中力タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 6 days |
| Size | 4 MB | 3 MB |
| Requires iOS | **18.5** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junichi Koike](https://appshunter.io/developer/1856133774) | [Koki Komatsu](https://appshunter.io/developer/1796307607) |

## What reviewers say

### LOOP

[App page](https://appshunter.io/ios/app/loop-visual-timer/id6756559561)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removing ads | $1.99 | per month |


### 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 LOOP free?

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

### 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 LOOP or 集中力タイマー have ads?

LOOP shows ads; 集中力タイマー does not.

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

LOOP ships an update daily, and 集中力タイマー every 6 days. Most recently, LOOP was updated on September 19, 2026 and 集中力タイマー on September 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.*