# CHALK ビジネス専用チャット vs Galaxy Paint

The clearest difference is ads: CHALK ビジネス専用チャット at none against Galaxy Paint's shown. CHALK ビジネス専用チャット also leads on update cadence (every 5 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement 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, Galaxy Paint every 5 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | CHALK ビジネス専用チャット | Galaxy Paint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/galaxy-paint/id1478069105/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 45 MB | 64 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kweather Japan Co.,Ltd.](https://appshunter.io/developer/418296281) | [Plus Inc. (Japan)](https://appshunter.io/developer/445792061) |

## 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


### Galaxy Paint

[App page](https://appshunter.io/ios/app/galaxy-paint/id1478069105)

Create your own unique constellations and dynamic galaxy animations with intuitive touch controls. Add special effects like cyclone rotation and enjoy a visually stunning and potentially therapeutic experience. Share your cosmic creations on social media.

**Highlights:** Intuitive constellation drawing, Dynamic galaxy animations, Cyclone rotation effect, Dotted drawing option, Gyroscope support for 3D viewing, Daily special galaxy feature, SNS sharing

**Features:** macOS Compatibility

**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 Galaxy Paint free?

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

### Do CHALK ビジネス専用チャット or Galaxy Paint have ads?

Galaxy Paint 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 Galaxy Paint?

CHALK ビジネス専用チャット ships an update every 5 weeks, and Galaxy Paint every 5 months. Most recently, CHALK ビジネス専用チャット was updated on October 14, 2026 and Galaxy Paint 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.*