# ChatBooksLite vs 文庫

The clearest difference is update cadence: 文庫 at every 4 months against ChatBooksLite's every 19 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.

ChatBooksLite ships an update every 19 months, 文庫 every 4 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ChatBooksLite | 文庫 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 months** |
| Size | 28 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [KOJI HARA](https://appshunter.io/developer/566940810) | [Masaki Takahashi](https://appshunter.io/developer/1860849926) |

## What reviewers say

### ChatBooksLite

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

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

**In-app purchases:** none


### 文庫

[App page](https://appshunter.io/ios/app/1/id6758008371)

**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 文庫 free?

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

### Do ChatBooksLite or 文庫 have ads?

Neither ChatBooksLite nor 文庫 shows ads.

### Which is updated more often, ChatBooksLite or 文庫?

ChatBooksLite ships an update every 19 months, and 文庫 every 4 months. Most recently, ChatBooksLite was updated on October 13, 2026 and 文庫 on October 10, 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.*