# 理性くんと感情ちゃん vs みゃくとーく | もしもチャット

The clearest difference is update cadence: みゃくとーく | もしもチャット at every 11 days against 理性くんと感情ちゃん's every 3 weeks. 理性くんと感情ちゃん's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

理性くんと感情ちゃん ships an update every 3 weeks, みゃくとーく | もしもチャット every 11 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 理性くんと感情ちゃん | みゃくとーく | もしもチャット |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 46 MB | 77 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Tomoya Seki](https://appshunter.io/developer/1832218107) | [Ryusei Okamoto](https://appshunter.io/developer/1775109038) |

## What reviewers say

### 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


### みゃくとーく | もしもチャット

[App page](https://appshunter.io/ios/app/id6796657535)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is みゃくとーく | もしもチャット free?

みゃくとーく | もしもチャット is free to download, with no in-app purchases.

### Do 理性くんと感情ちゃん or みゃくとーく | もしもチャット have ads?

Both 理性くんと感情ちゃん and みゃくとーく | もしもチャット show ads.

### Which is updated more often, 理性くんと感情ちゃん or みゃくとーく | もしもチャット?

理性くんと感情ちゃん ships an update every 3 weeks, and みゃくとーく | もしもチャット every 11 days. Most recently, 理性くんと感情ちゃん was updated on October 10, 2026 and みゃくとーく | もしもチャット on October 24, 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.*