# Block Gap Builder vs Acerg Rusae

The clearest difference is iOS requirement: Acerg Rusae at 13.0 against Block Gap Builder's 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.

## The numbers

| Metric | Block Gap Builder | Acerg Rusae |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 127 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Servet Taha ERGUN](https://appshunter.io/developer/6805811674) | [Kamlesh Mukhija](https://appshunter.io/developer/6808498633) |

## What reviewers say

### Block Gap Builder

[App page](https://appshunter.io/ios/app/block-gap-builder/id6806924220)

**Features:** macOS Compatibility

**In-app purchases:** none


### Acerg Rusae

[App page](https://appshunter.io/ios/app/acerg-rusae/id6810098966)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Gap Builder free?

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

### Is Acerg Rusae free?

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

### Do Block Gap Builder or Acerg Rusae have ads?

Neither Block Gap Builder nor Acerg Rusae 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.*