# Block Stack 16 vs Brainy Lines

The clearest difference is in-app purchases: Brainy Lines at none against Block Stack 16's 3. Brainy Lines also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Block Stack 16 sells 3 one-off in-app purchases. Brainy Lines asks for nothing beyond the download.

## The numbers

| Metric | Block Stack 16 | Brainy Lines |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Size | 4 MB | 46 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Wiz Studio](https://appshunter.io/developer/1436470398) | [Sanjay Chauhan](https://appshunter.io/developer/1484182234) |

## What reviewers say

### Block Stack 16

[App page](https://appshunter.io/ios/app/block-stack-16-bit-puzzle/id6759481143)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Themes | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Bundle (Ads + Themes) | $2.99 | one-time |


### Brainy Lines

[App page](https://appshunter.io/ios/app/brainy-lines/id6761354755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Stack 16 free?

Block Stack 16 is free to download, with in-app purchases available.

### Is Brainy Lines free?

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

### Do Block Stack 16 or Brainy Lines have ads?

Both Block Stack 16 and Brainy Lines show 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.*