# This is Dumb! vs Cortex Blast

This is Dumb! and Cortex Blast are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | This is Dumb! | Cortex Blast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Daily |
| Size | 138 MB | 136 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Gangan](https://appshunter.io/developer/1244606610) | [Hugo Peyron](https://appshunter.io/developer/1685753630) |

## What reviewers say

### This is Dumb!

[App page](https://appshunter.io/ios/app/this-is-dumb/id6764309014)

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

**In-app purchases:** none


### Cortex Blast

[App page](https://appshunter.io/ios/app/cortex-blast/id6773258309)

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

**In-app purchases:** none


## Frequently asked questions

### Is This is Dumb! free?

This is Dumb! is free to download, with no in-app purchases.

### Is Cortex Blast free?

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

### Do This is Dumb! or Cortex Blast have ads?

Both This is Dumb! and Cortex Blast 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.*