# CHALK ビジネス専用チャット vs Oshimy（オシマイ）| 推し公認のAIと妄想チャット！

The clearest difference is update cadence: Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ at fortnightly against CHALK ビジネス専用チャット's every 5 weeks. CHALK ビジネス専用チャット's advantage is iOS requirement (13.0 vs 15.0). 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.

CHALK ビジネス専用チャット ships an update every 5 weeks, Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ fortnightly. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CHALK ビジネス専用チャット | Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 45 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kweather Japan Co.,Ltd.](https://appshunter.io/developer/418296281) | [Oshibloom Inc.](https://appshunter.io/developer/1765833244) |

## 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


### Oshimy（オシマイ）| 推し公認のAIと妄想チャット！

[App page](https://appshunter.io/ios/app/oshimy-ai/id6670334686)

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

**In-app purchases:** none


## 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 Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ free?

Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ is free to download, with no in-app purchases.

### Do CHALK ビジネス専用チャット or Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ have ads?

Neither CHALK ビジネス専用チャット nor Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ shows ads.

### Which is updated more often, CHALK ビジネス専用チャット or Oshimy（オシマイ）| 推し公認のAIと妄想チャット！?

CHALK ビジネス専用チャット ships an update every 5 weeks, and Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ fortnightly. Most recently, CHALK ビジネス専用チャット was updated on October 14, 2026 and Oshimy（オシマイ）| 推し公認のAIと妄想チャット！ on October 25, 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.*