# 帝國圖書館 vs bREADER Cloud

The clearest difference is review sentiment: 帝國圖書館 at 72% against bREADER Cloud's 57%. bREADER Cloud's advantage is update cadence (every 4 months vs 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, bREADER Cloud every 4 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 帝國圖書館 | bREADER Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **72.2% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 11 MB | 89 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Shin-ichi Nishimura](https://appshunter.io/developer/404706178) | [INFOCITY, Inc.](https://appshunter.io/developer/292171564) |

## 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


### bREADER Cloud

[App page](https://appshunter.io/ios/app/breader-cloud/id1445842623)

This cloud-based e-book reader allows you to store and access your EPUB and PDF files from any device. It offers full-text search within your cloud-stored books and integrates with academic digital library services.

**Highlights:** Cloud storage for e-books, Full-text search, Access from any device, Integration with KinoDen academic library, 100GB free cloud storage

**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 bREADER Cloud free?

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

### Do 帝國圖書館 or bREADER Cloud have ads?

Neither 帝國圖書館 nor bREADER Cloud shows ads.

### Which is updated more often, 帝國圖書館 or bREADER Cloud?

帝國圖書館 ships an update every 7 months, and bREADER Cloud every 4 months. Most recently, 帝國圖書館 was updated on November 1, 2026 and bREADER Cloud on November 6, 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.*