# Echo vs Cognitive Grid

The clearest difference is in-app purchases: Cognitive Grid at none against Echo's 2. Cognitive Grid also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $9.99 per month. Cognitive Grid asks for nothing beyond the download.

## The numbers

| Metric | Echo | Cognitive Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 8 MB | 162 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lairy Labs](https://appshunter.io/developer/1895878928) | [金儀國際科技股份有限公司](https://appshunter.io/developer/1029345770) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-your-voice-rebuilt/id6764686402)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Premium | $9.99 | per month |
| Echo Premium | $79.99 | per year |


### Cognitive Grid

[App page](https://appshunter.io/ios/app/cognitive-grid-cgp/id6779097767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

Echo is free to download, with in-app purchases available.

### Is Cognitive Grid free?

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

### Do Echo or Cognitive Grid have ads?

Neither Echo nor Cognitive Grid 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.*