# ドッカン図書館 vs SpoolThreStu

The clearest difference is update cadence: SpoolThreStu at every 9 days against ドッカン図書館's every 2 months. ドッカン図書館's advantage is iOS requirement (11.0 vs 14). 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.

ドッカン図書館 ships an update every 2 months, SpoolThreStu every 9 days. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ドッカン図書館 | SpoolThreStu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 136 MB | 40 MB |
| Requires iOS | **11.0** | 14 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [Kamini Triparthy](https://appshunter.io/developer/1872562141) |

## What reviewers say

### ドッカン図書館

[App page](https://appshunter.io/ios/app/id1547524204)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpoolThreStu

[App page](https://appshunter.io/ios/app/spoolthrestu/id6758364404)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ドッカン図書館 free?

ドッカン図書館 is free to download, with no in-app purchases.

### Is SpoolThreStu free?

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

### Do ドッカン図書館 or SpoolThreStu have ads?

Both ドッカン図書館 and SpoolThreStu show ads.

### Which is updated more often, ドッカン図書館 or SpoolThreStu?

ドッカン図書館 ships an update every 2 months, and SpoolThreStu every 9 days. Most recently, ドッカン図書館 was updated on September 16, 2026 and SpoolThreStu on September 18, 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.*