# BlockBust vs ETWorldS

The clearest difference is iOS requirement: BlockBust at 15.0 against ETWorldS's 26.0. 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.

## The numbers

| Metric | BlockBust | ETWorldS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 5 MB | 16 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enrico Castelli](https://appshunter.io/developer/1491683849) | [John Avatar](https://appshunter.io/developer/375690746) |

## What reviewers say

### BlockBust

[App page](https://appshunter.io/ios/app/blockbust/id6446684183)

**Features:** macOS Compatibility

**In-app purchases:** none


### ETWorldS

[App page](https://appshunter.io/ios/app/etworlds-drake-equation-calc/id6790626360)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlockBust free?

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

### Is ETWorldS free?

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

### Do BlockBust or ETWorldS have ads?

Neither BlockBust nor ETWorldS shows ads.

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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.*