# KokuDoku：読書メモ、管理、活用 vs AtTrack

The clearest difference is in-app purchases: KokuDoku：読書メモ、管理、活用 at none against AtTrack's 1. KokuDoku：読書メモ、管理、活用 also leads on update cadence (weekly vs every 5 weeks). AtTrack's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. AtTrack sells 1 one-off in-app purchase. KokuDoku：読書メモ、管理、活用 asks for nothing beyond the download.

KokuDoku：読書メモ、管理、活用 ships an update weekly, AtTrack every 5 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KokuDoku：読書メモ、管理、活用 | AtTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 28 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chiaki Kobayashi](https://appshunter.io/developer/1865034949) | [Kouki Toyoda](https://appshunter.io/developer/6785835166) |

## What reviewers say

### KokuDoku：読書メモ、管理、活用

[App page](https://appshunter.io/ios/app/kokudoku/id6757169073)

**In-app purchases:** none


### AtTrack

[App page](https://appshunter.io/ios/app/attrack/id6785835164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip the Developer | $0.99 | one-time |


## Frequently asked questions

### Is KokuDoku：読書メモ、管理、活用 free?

KokuDoku：読書メモ、管理、活用 is free to download, with no in-app purchases.

### Is AtTrack free?

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

### Do KokuDoku：読書メモ、管理、活用 or AtTrack have ads?

Neither KokuDoku：読書メモ、管理、活用 nor AtTrack shows ads.

### Which is updated more often, KokuDoku：読書メモ、管理、活用 or AtTrack?

KokuDoku：読書メモ、管理、活用 ships an update weekly, and AtTrack every 5 weeks. Most recently, KokuDoku：読書メモ、管理、活用 was updated on October 15, 2026 and AtTrack on October 14, 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.*