# 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 vs Chord Dojo

The clearest difference is in-app purchases: Chord Dojo 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. Chord Dojo 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 5 months). On price and iOS requirement 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. Chord Dojo asks for nothing beyond the 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 ships an update every 5 weeks, Chord Dojo every 5 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 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 | Chord Dojo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 99 MB | 1 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hikaru Sawada](https://appshunter.io/developer/1584988593) | [Yoshiyuki Koyanagi](https://appshunter.io/developer/1540530354) |

## What reviewers say

### 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 |


### Chord Dojo

[App page](https://appshunter.io/ios/app/chord-dojo/id6742062906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is Chord Dojo free?

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

### Which is updated more often, 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 or Chord Dojo?

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 ships an update every 5 weeks, and Chord Dojo every 5 months. Most recently, 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 was updated on November 4, 2026 and Chord Dojo on October 30, 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.*