# ChatBooksLite vs 青空文庫リーダー

The clearest difference is ads: ChatBooksLite at none against 青空文庫リーダー's shown. ChatBooksLite also leads on iOS requirement (15.0 vs 17). 青空文庫リーダー's advantage is update cadence (fortnightly vs every 19 months). On price, 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.

ChatBooksLite ships an update every 19 months, 青空文庫リーダー fortnightly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ChatBooksLite | 青空文庫リーダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Fortnightly** |
| Size | 28 MB | 21 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [KOJI HARA](https://appshunter.io/developer/566940810) | [kazuhiro aonuma](https://appshunter.io/developer/839973346) |

## What reviewers say

### ChatBooksLite

[App page](https://appshunter.io/ios/app/chatbookslite/id1491300464)

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

**In-app purchases:** none


### 青空文庫リーダー

[App page](https://appshunter.io/ios/app/id6749835409)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatBooksLite free?

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

### Is 青空文庫リーダー free?

青空文庫リーダー is free to download, with no in-app purchases.

### Do ChatBooksLite or 青空文庫リーダー have ads?

青空文庫リーダー shows ads; ChatBooksLite does not.

### Which is updated more often, ChatBooksLite or 青空文庫リーダー?

ChatBooksLite ships an update every 19 months, and 青空文庫リーダー fortnightly. Most recently, ChatBooksLite was updated on October 25, 2026 and 青空文庫リーダー on October 19, 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.*