# チャットAI vs BruSynk

The clearest difference is in-app purchases: BruSynk at none against チャットAI's 1. BruSynk also leads on update cadence (every 2 weeks vs every 3 weeks). チャットAI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. チャットAI sells 1 in-app purchase, starting at $2.99 per 7 days. BruSynk asks for nothing beyond the download.

チャットAI ships an update every 3 weeks, BruSynk every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | チャットAI | BruSynk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 11 MB | 24 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akihiro Kokubo](https://appshunter.io/developer/1485855806) | [Kanji Goto](https://appshunter.io/developer/1799644657) |

## What reviewers say

### チャットAI

[App page](https://appshunter.io/ios/app/ai-ai/id6446063282)

This AI-powered chatbot provides instant, accurate responses to any question. Easily accessible on your smartphone, it supports Japanese and helps improve your writing skills. Experience the power of AI for conversation and assistance.

**Highlights:** Advanced AI for instant answers, Japanese language support, Improve writing skills, Easy smartphone access, AI-powered conversations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |


### BruSynk

[App page](https://appshunter.io/ios/app/brusynk/id6749214012)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is チャットAI free?

チャットAI is free to download, with in-app purchases available.

### Is BruSynk free?

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

### Do チャットAI or BruSynk have ads?

BruSynk shows ads; チャットAI does not.

### Which is updated more often, チャットAI or BruSynk?

チャットAI ships an update every 3 weeks, and BruSynk every 2 weeks. Most recently, チャットAI was updated on November 3, 2026 and BruSynk on October 30, 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.*