# CHALK ビジネス専用チャット vs AI Character(Oshi) Chat

The clearest difference is in-app purchases: CHALK ビジネス専用チャット at none against AI Character(Oshi) Chat's 5. CHALK ビジネス専用チャット also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). AI Character(Oshi) Chat's advantage is update cadence (every 5 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. AI Character(Oshi) Chat sells 5 in-app purchases, starting at $6.99 per month. CHALK ビジネス専用チャット asks for nothing beyond the download.

CHALK ビジネス専用チャット ships an update every 5 weeks, AI Character(Oshi) Chat every 5 days. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CHALK ビジネス専用チャット | AI Character(Oshi) Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/ai-characteroshi-chat/id6474490826/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 108 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kweather Japan Co.,Ltd.](https://appshunter.io/developer/418296281) | [Saki Tsuji](https://appshunter.io/developer/1504430106) |

## What reviewers say

### CHALK ビジネス専用チャット

[App page](https://appshunter.io/ios/app/chalk/id917242426)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### AI Character(Oshi) Chat

[App page](https://appshunter.io/ios/app/ai-characteroshi-chat/id6474490826)

Engage in deep, personalized conversations with AI-powered characters from anime, manga, games, or your own creations. Design their personality, speech, and relationship to you for a truly resonant experience.

**Highlights:** Create custom AI characters, Define personality and speech style, Design character relationships, Engage in roleplaying scenarios, Brainstorm creative ideas, Receive comfort and advice

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| Annual Plan | $59.99 | per year |
| 500 Diamonds | $2.99 | one-time |
| 1,000 Diamonds | $5.99 | one-time |
| 2,000 Diamonds | $9.99 | one-time |


## Frequently asked questions

### Is CHALK ビジネス専用チャット free?

CHALK ビジネス専用チャット is free to download, with no in-app purchases.

### Is AI Character(Oshi) Chat free?

AI Character(Oshi) Chat is free to download, with in-app purchases available.

### Do CHALK ビジネス専用チャット or AI Character(Oshi) Chat have ads?

AI Character(Oshi) Chat shows ads; CHALK ビジネス専用チャット does not.

### Which is updated more often, CHALK ビジネス専用チャット or AI Character(Oshi) Chat?

CHALK ビジネス専用チャット ships an update every 5 weeks, and AI Character(Oshi) Chat every 5 days. Most recently, CHALK ビジネス専用チャット was updated on October 14, 2026 and AI Character(Oshi) Chat on October 27, 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.*