# Brain Blocks Challenge vs Tetrun

The clearest difference is in-app purchases: Tetrun at none against Brain Blocks Challenge's 1. Brain Blocks Challenge's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Blocks Challenge sells 1 one-off in-app purchase. Tetrun asks for nothing beyond the download.

## The numbers

| Metric | Brain Blocks Challenge | Tetrun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | — |
| Size | 68 MB | 94 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Botan Sahin](https://appshunter.io/developer/1593059777) | [Ela Game](https://appshunter.io/developer/1536955498) |

## What reviewers say

### Brain Blocks Challenge

[App page](https://appshunter.io/ios/app/brain-blocks-challenge/id1671997951)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Tetrun

[App page](https://appshunter.io/ios/app/tetrun/id6443985655)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Blocks Challenge free?

Brain Blocks Challenge is free to download, with in-app purchases available.

### Is Tetrun free?

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

### Do Brain Blocks Challenge or Tetrun have ads?

Tetrun shows ads; Brain Blocks Challenge 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.*