# iSpeakClear vs Critical Thinking

The clearest difference is device support: iSpeakClear at 3 against Critical Thinking's 1. iSpeakClear also leads on iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases 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 | iSpeakClear | Critical Thinking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 22 MB | 748 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Natraj Bontha](https://appshunter.io/developer/1846404130) | [Alexander Senin](https://appshunter.io/developer/697788524) |

## What reviewers say

### iSpeakClear

[App page](https://appshunter.io/ios/app/ispeakclear/id6754046842)

**Features:** macOS Compatibility

**In-app purchases:** none


### Critical Thinking

[App page](https://appshunter.io/ios/app/critical-thinking-practice/id6802582960)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSpeakClear free?

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

### Is Critical Thinking free?

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

### Do iSpeakClear or Critical Thinking have ads?

Neither iSpeakClear nor Critical Thinking 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.*