# Nine Ideas vs Thinking Hats

The clearest difference is iOS requirement: Thinking Hats at 12.0 against Nine Ideas's 18.0. 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 | Nine Ideas | Thinking Hats |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 35 MB | 27 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marina Bohlem](https://appshunter.io/developer/1754364669) | [Ivan Gonzalez](https://appshunter.io/developer/1779130349) |

## What reviewers say

### Nine Ideas

[App page](https://appshunter.io/ios/app/nine-ideas-build-creativity/id6636545457)

**In-app purchases:** none


### Thinking Hats

[App page](https://appshunter.io/ios/app/thinking-hats/id6739714643)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nine Ideas free?

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

### Is Thinking Hats free?

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

### Do Nine Ideas or Thinking Hats have ads?

Neither Nine Ideas nor Thinking Hats 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.*