# GrapNote vs 集中タイマー

The clearest difference is update cadence: GrapNote at daily against 集中タイマー's every 3 months. 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.

GrapNote ships an update daily, 集中タイマー every 3 months. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GrapNote | 集中タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Size | 1 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RYU HARAGUCHI](https://appshunter.io/developer/1807075225) | [Masaki Takahashi](https://appshunter.io/developer/1860849926) |

## What reviewers say

### GrapNote

[App page](https://appshunter.io/ios/app/grapnote/id6745224785)

**Features:** macOS Compatibility

**In-app purchases:** none


### 集中タイマー

[App page](https://appshunter.io/ios/app/id6756532841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GrapNote free?

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

### Is 集中タイマー free?

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

### Do GrapNote or 集中タイマー have ads?

Neither GrapNote nor 集中タイマー shows ads.

### Which is updated more often, GrapNote or 集中タイマー?

GrapNote ships an update daily, and 集中タイマー every 3 months. Most recently, GrapNote was updated on October 28, 2026 and 集中タイマー on October 13, 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.*