# 世界の絶望百景 vs ChatBooksLite

The clearest difference is update cadence: 世界の絶望百景 at every 5 months against ChatBooksLite's every 19 months. 世界の絶望百景 also leads on iOS requirement (8.0 vs 15.0). 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.

世界の絶望百景 ships an update every 5 months, ChatBooksLite every 19 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 世界の絶望百景 | ChatBooksLite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1108363331/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 82.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 19 months |
| Size | 84 MB | 28 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 9+ |
| Developer | [THOMSON Inc.](https://appshunter.io/developer/492371813) | [KOJI HARA](https://appshunter.io/developer/566940810) |

## What reviewers say

### 世界の絶望百景

[App page](https://appshunter.io/ios/app/id1108363331)

**In-app purchases:** none


### ChatBooksLite

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 世界の絶望百景 free?

世界の絶望百景 is free to download, with no in-app purchases.

### Is ChatBooksLite free?

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

### Do 世界の絶望百景 or ChatBooksLite have ads?

Neither 世界の絶望百景 nor ChatBooksLite shows ads.

### Which is updated more often, 世界の絶望百景 or ChatBooksLite?

世界の絶望百景 ships an update every 5 months, and ChatBooksLite every 19 months. Most recently, 世界の絶望百景 was updated on October 26, 2026 and ChatBooksLite on October 25, 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.*