# Block Gem vs BlockBlast

The clearest difference is ads: BlockBlast at none against Block Gem's shown. Block Gem's advantage is iOS requirement (12.0 vs 16.0). On price, 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 Gem | BlockBlast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 10 days |
| Size | 87 MB | 18 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KD Soft Ltd.](https://appshunter.io/developer/534136849) | [Phuong Doan Van](https://appshunter.io/developer/1069035976) |

## What reviewers say

### Block Gem

[App page](https://appshunter.io/ios/app/block-gem/id6751454246)

**Features:** macOS Compatibility

**In-app purchases:** none


### BlockBlast

[App page](https://appshunter.io/ios/app/blockblast-challenge/id6761647284)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Gem free?

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

### Is BlockBlast free?

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

### Do Block Gem or BlockBlast have ads?

Block Gem shows ads; BlockBlast does not.

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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.*