# Retro Blocks! vs Block Block X

The clearest difference is update cadence: Block Block X at every 3 months against Retro Blocks!'s every 11 months. Block Block X also leads on iOS requirement (12.0 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.

Retro Blocks! ships an update every 11 months, Block Block X every 3 months. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Retro Blocks! | Block Block X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Size | 26 MB | 76 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Strive, Limited Liability Company](https://appshunter.io/developer/1669148658) | [seojin kim](https://appshunter.io/developer/1734429350) |

## What reviewers say

### Retro Blocks!

[App page](https://appshunter.io/ios/app/retro-blocks/id6670768198)

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

**In-app purchases:** none


### Block Block X

[App page](https://appshunter.io/ios/app/block-block-x/id6746814829)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retro Blocks! free?

Retro Blocks! is free to download, with no in-app purchases.

### Is Block Block X free?

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

### Do Retro Blocks! or Block Block X have ads?

Neither Retro Blocks! nor Block Block X shows ads.

### Which is updated more often, Retro Blocks! or Block Block X?

Retro Blocks! ships an update every 11 months, and Block Block X every 3 months. Most recently, Retro Blocks! was updated on October 16, 2026 and Block Block X on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*