# AI仏 vs 理性くんと感情ちゃん

The clearest difference is in-app purchases: 理性くんと感情ちゃん at none against AI仏's 3. 理性くんと感情ちゃん also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. AI仏 sells 3 in-app purchases, starting at $2.99 per month. 理性くんと感情ちゃん asks for nothing beyond the download.

AI仏 ships an update fortnightly, 理性くんと感情ちゃん every 3 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AI仏 | 理性くんと感情ちゃん |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 7 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Z DEVELOPER LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1565730853) | [Tomoya Seki](https://appshunter.io/developer/1832218107) |

## What reviewers say

### AI仏

[App page](https://appshunter.io/ios/app/ai/id6743794231)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI仏プレミアム（月額） | $2.99 | per month |
| 運営を応援する | $2.99 | one-time |
| 広告削除 | $3.99 | one-time |


### 理性くんと感情ちゃん

[App page](https://appshunter.io/ios/app/ai/id6755962338)

This app offers two AI characters, one logical and one emotional, to provide advice from different perspectives. Engage in natural conversations through a group chat interface and get unique insights from occasional surprise characters. It's designed to help users sort through their feelings and make life decisions.

**Highlights:** Dual AI perspectives (logical and emotional), Group chat interface, Mention feature for specific AI responses, Surprise character interactions, Personalized advice for life decisions, Self-understanding and new perspectives

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

**In-app purchases:** none


## Frequently asked questions

### Is AI仏 free?

AI仏 is free to download, with in-app purchases available.

### Is 理性くんと感情ちゃん free?

理性くんと感情ちゃん is free to download, with no in-app purchases.

### Do AI仏 or 理性くんと感情ちゃん have ads?

Both AI仏 and 理性くんと感情ちゃん show ads.

### Which is updated more often, AI仏 or 理性くんと感情ちゃん?

AI仏 ships an update fortnightly, and 理性くんと感情ちゃん every 3 weeks. Most recently, AI仏 was updated on October 2, 2026 and 理性くんと感情ちゃん on October 10, 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.*