# Onchan vs 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習

The clearest difference is in-app purchases: Onchan at none against 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習's 3. Onchan also leads on device support. 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習's advantage is update cadence (every 5 weeks vs every 12 months) and iOS requirement (15.1 vs 17.0). On price there is nothing between them.

Both are free to download. 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 sells 3 in-app purchases, starting at $1.99 per month. Onchan asks for nothing beyond the download.

Onchan ships an update every 12 months, 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 every 5 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Onchan | 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Size | 1 MB | 99 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Shuhei Takezawa](https://appshunter.io/developer/1602827505) | [Hikaru Sawada](https://appshunter.io/developer/1584988593) |

## What reviewers say

### Onchan

[App page](https://appshunter.io/ios/app/onchan/id6470103072)

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

**In-app purchases:** none


### 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習

[App page](https://appshunter.io/ios/app/ai-and/id6608975313)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 語り部チャット世界史 - 問題集 | $1.99 | per month |
| 語り部チャット世界史プレミアム | $4.99 | per month |
| 語り部チャット世界史 - プレミアム | $9.99 | per month |


## Frequently asked questions

### Is Onchan free?

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

### Is 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 free?

語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 is free to download, with in-app purchases available.

### Which is updated more often, Onchan or 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習?

Onchan ships an update every 12 months, and 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 every 5 weeks. Most recently, Onchan was updated on October 15, 2026 and 語り部チャット世界史 世界の偉人たちとAIチャット&歴史学習 on October 1, 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.*