# 帝國圖書館 vs 帝国書院

The clearest difference is update cadence: 帝国書院 at every 6 weeks against 帝國圖書館's every 7 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.

帝國圖書館 ships an update every 7 months, 帝国書院 every 6 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 帝國圖書館 | 帝国書院 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 11 MB | 44 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Shin-ichi Nishimura](https://appshunter.io/developer/404706178) | [帝国書院](https://appshunter.io/developer/539448058) |

## What reviewers say

### 帝國圖書館

[App page](https://appshunter.io/ios/app/id963604056)

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

**In-app purchases:** none


### 帝国書院

[App page](https://appshunter.io/ios/app/id6745578086)

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

**In-app purchases:** none


## Frequently asked questions

### Is 帝國圖書館 free?

帝國圖書館 is free to download, with no in-app purchases.

### Is 帝国書院 free?

帝国書院 is free to download, with no in-app purchases.

### Do 帝國圖書館 or 帝国書院 have ads?

Neither 帝國圖書館 nor 帝国書院 shows ads.

### Which is updated more often, 帝國圖書館 or 帝国書院?

帝國圖書館 ships an update every 7 months, and 帝国書院 every 6 weeks. Most recently, 帝國圖書館 was updated on November 1, 2026 and 帝国書院 on October 24, 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.*