# Cosmic Brush vs Paint Diary

The clearest difference is in-app purchases: Paint Diary at none against Cosmic Brush's 6. Paint Diary also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cosmic Brush sells 6 one-off in-app purchases. Paint Diary asks for nothing beyond the download.

Cosmic Brush ships an update every 2 months, Paint Diary every 5 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cosmic Brush | Paint Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (132 ratings)](https://appshunter.io/ios/app/cosmic-brush/id643360252/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 5 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norbyte](https://appshunter.io/developer/331310753) | [Katsuhiro Harada](https://appshunter.io/developer/321847980) |

## What reviewers say

### Cosmic Brush

[App page](https://appshunter.io/ios/app/cosmic-brush/id643360252)

Unleash your creativity with a powerful digital art application. Explore unique painting tools, intuitive stroke size adjustments based on finger contact, and customizable parameters. Supports left-handed users and offers a universal Pro upgrade for expanded features across Apple devices.

**Highlights:** Unique painting tools (3D-Shaded, Halo, Plasma Chain), Dynamic stroke size based on finger contact, Adjustable parameters during painting, Left-handed toolbar option, Universal Pro upgrade, Multiple layers, Photo tracing mode (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar: Smallest Tip | $1.00 | one-time |
| Tip Jar: Small Tip | $2.00 | one-time |
| Tip Jar: Medium Tip | $5.00 | one-time |
| Pro Upgrade | $6.00 | one-time |
| Tip Jar: Big Tip | $10.00 | one-time |
| Tip Jar: Biggest Tip | $25.00 | one-time |


### Paint Diary

[App page](https://appshunter.io/ios/app/paint-diary/id6483106711)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Brush free?

Cosmic Brush is free to download, with in-app purchases available.

### Is Paint Diary free?

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

### Do Cosmic Brush or Paint Diary have ads?

Neither Cosmic Brush nor Paint Diary shows ads.

### Which is updated more often, Cosmic Brush or Paint Diary?

Cosmic Brush ships an update every 2 months, and Paint Diary every 5 days. Most recently, Cosmic Brush was updated on October 20, 2026 and Paint Diary 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.*