# 理性くんと感情ちゃん vs 脈ありAI

The clearest difference is update cadence: 脈ありAI at every 2 days against 理性くんと感情ちゃん's every 3 weeks. On price, ads, in-app purchases and device support 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, 脈ありAI every 2 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 理性くんと感情ちゃん | 脈ありAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 46 MB | 9 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Tomoya Seki](https://appshunter.io/developer/1832218107) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## 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


### 脈ありAI

[App page](https://appshunter.io/ios/app/ai/id6765783013)

**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 脈ありAI free?

脈ありAI is free to download, with no in-app purchases.

### Do 理性くんと感情ちゃん or 脈ありAI have ads?

Both 理性くんと感情ちゃん and 脈ありAI show ads.

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

理性くんと感情ちゃん ships an update every 3 weeks, and 脈ありAI every 2 days. Most recently, 理性くんと感情ちゃん was updated on October 10, 2026 and 脈ありAI on October 14, 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.*