# IQ 3D Cubes vs Hidden Blocks

The clearest difference is in-app purchases: IQ 3D Cubes at none against Hidden Blocks's 8. IQ 3D Cubes also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hidden Blocks sells 8 one-off in-app purchases. IQ 3D Cubes asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | IQ 3D Cubes | Hidden Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Size | 36 MB | 89 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dream-Up](https://appshunter.io/developer/445196122) | [Logan Land](https://appshunter.io/developer/1896703411) |

## What reviewers say

### IQ 3D Cubes

[App page](https://appshunter.io/ios/app/iq-3d-cubes/id6757533642)

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

**In-app purchases:** none


### Hidden Blocks

[App page](https://appshunter.io/ios/app/hidden-blocks-cube-counting/id6776471897)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Gems | $0.99 | one-time |
| 20 Gems | $1.99 | one-time |
| Unlimited Play · 3 Hours | $2.99 | one-time |
| 50 Gems | $4.99 | one-time |
| Unlimited Play · 24 Hours | $6.99 | one-time |
| 125 Gems | $9.99 | one-time |
| 250 Gems | $19.99 | one-time |
| 700 Gems | $49.99 | one-time |


## Frequently asked questions

### Is IQ 3D Cubes free?

IQ 3D Cubes is free to download, with no in-app purchases.

### Is Hidden Blocks free?

Hidden Blocks is free to download, with in-app purchases available.

### Do IQ 3D Cubes or Hidden Blocks have ads?

Both IQ 3D Cubes and Hidden Blocks show ads.

### Which is updated more often, IQ 3D Cubes or Hidden Blocks?

IQ 3D Cubes ships an update weekly, and Hidden Blocks weekly. Most recently, IQ 3D Cubes was updated on October 16, 2026 and Hidden Blocks on October 17, 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.*