# AI Sensei Info I vs 日本史ニホンシア

The clearest difference is ads: 日本史ニホンシア at none against AI Sensei Info I's shown. 日本史ニホンシア also leads on update cadence (daily vs every 3 days). AI Sensei Info I's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. AI Sensei Info I sells 2 in-app purchases, starting at $2.99 per month and 日本史ニホンシア sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AI Sensei Info I ships an update every 3 days, 日本史ニホンシア daily. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI Sensei Info I | 日本史ニホンシア |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Daily** |
| Size | 96 MB | 135 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) | [YUKIHIRO TANIGUCHI](https://appshunter.io/developer/6776082401) |

## What reviewers say

### AI Sensei Info I

[App page](https://appshunter.io/ios/app/ai-sensei-info-i-ct-code/id6770568203)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $2.99 | per month |
| 年額プラン | $22.99 | per year |


### 日本史ニホンシア

[App page](https://appshunter.io/ios/app/id6794810146)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ニホンシア Pro 月額プラン | $5.99 | per month |
| ニホンシア Pro 年額プラン | $29.99 | per year |


## Frequently asked questions

### Is AI Sensei Info I free?

AI Sensei Info I is free to download, with in-app purchases available.

### Is 日本史ニホンシア free?

日本史ニホンシア is free to download, with in-app purchases available.

### Do AI Sensei Info I or 日本史ニホンシア have ads?

AI Sensei Info I shows ads; 日本史ニホンシア does not.

### Which is updated more often, AI Sensei Info I or 日本史ニホンシア?

AI Sensei Info I ships an update every 3 days, and 日本史ニホンシア daily. Most recently, AI Sensei Info I was updated on November 5, 2026 and 日本史ニホンシア 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.*