# 歴史偉人AIと話せる！ vs IJIN

The clearest difference is in-app purchases: IJIN at none against 歴史偉人AIと話せる！'s 10. IJIN also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price there is nothing between them.

Both are free to download. 歴史偉人AIと話せる！ sells 10 one-off in-app purchases. IJIN asks for nothing beyond the download.

歴史偉人AIと話せる！ ships an update every 3 weeks, IJIN every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 歴史偉人AIと話せる！ | IJIN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 28 MB | 31 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Izumi](https://appshunter.io/developer/1822273057) | [nakamura hideonri](https://appshunter.io/developer/1878354917) |

## What reviewers say

### 歴史偉人AIと話せる！

[App page](https://appshunter.io/ios/app/ai/id6755728123)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コイン×1000 | $0.99 | one-time |
| 初心者応援パック | $0.99 | one-time |
| ダイヤ×500 | $1.99 | one-time |
| 好感度ストック×100 | $1.99 | one-time |
| 好感度ストック×50 | $1.99 | one-time |
| コイン×3000 | $2.99 | one-time |
| ダイヤ×1000 | $2.99 | one-time |
| コイン×10000 | $5.99 | one-time |
| 好感度ストック×500 | $9.99 | one-time |
| ダイヤ×5000 | $9.99 | one-time |


### IJIN

[App page](https://appshunter.io/ios/app/ijin/id6809145872)

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

**In-app purchases:** none


## Frequently asked questions

### Is 歴史偉人AIと話せる！ free?

歴史偉人AIと話せる！ is free to download, with in-app purchases available.

### Is IJIN free?

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

### Do 歴史偉人AIと話せる！ or IJIN have ads?

歴史偉人AIと話せる！ shows ads; IJIN does not.

### Which is updated more often, 歴史偉人AIと話せる！ or IJIN?

歴史偉人AIと話せる！ ships an update every 3 weeks, and IJIN every 8 days. Most recently, 歴史偉人AIと話せる！ was updated on October 24, 2026 and IJIN on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*