# Brain vs Picture Block 3D

The clearest difference is update cadence: Picture Block 3D at daily against Brain's every 2 months. 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.

Brain ships an update every 2 months, Picture Block 3D daily. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Brain | Picture Block 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 244 MB | 90 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆恒 张](https://appshunter.io/developer/1812943900) | [雪 杨](https://appshunter.io/developer/6788771013) |

## What reviewers say

### Brain

[App page](https://appshunter.io/ios/app/brain-teasing-art-match/id6788968452)

**Features:** macOS Compatibility

**In-app purchases:** none


### Picture Block 3D

[App page](https://appshunter.io/ios/app/picture-block-3d/id6807687758)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain free?

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

### Is Picture Block 3D free?

Picture Block 3D is free to download, with no in-app purchases.

### Do Brain or Picture Block 3D have ads?

Both Brain and Picture Block 3D show ads.

### Which is updated more often, Brain or Picture Block 3D?

Brain ships an update every 2 months, and Picture Block 3D daily. Most recently, Brain was updated on October 24, 2026 and Picture Block 3D on October 31, 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.*