# Block Blast Online vs Duo Blocks

The clearest difference is update cadence: Duo Blocks at daily against Block Blast Online's every 2 days. 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.

Block Blast Online ships an update every 2 days, Duo Blocks daily. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Block Blast Online | Duo Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 239 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Kales](https://appshunter.io/developer/1746579975) | [Yuki Inaba](https://appshunter.io/developer/1896551072) |

## What reviewers say

### Block Blast Online

[App page](https://appshunter.io/ios/app/block-blast-online/id6758742432)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duo Blocks

[App page](https://appshunter.io/ios/app/duo-blocks/id6768885620)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block Blast Online free?

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

### Is Duo Blocks free?

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

### Do Block Blast Online or Duo Blocks have ads?

Neither Block Blast Online nor Duo Blocks shows ads.

### Which is updated more often, Block Blast Online or Duo Blocks?

Block Blast Online ships an update every 2 days, and Duo Blocks daily. Most recently, Block Blast Online was updated on October 31, 2026 and Duo Blocks 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.*