# Echo vs Productivity Matrix

The clearest difference is device support: Productivity Matrix at 3 against Echo's 1. Productivity Matrix also leads on iOS requirement (13.0 vs 18.6). 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 | Echo | Productivity Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 95 MB | 27 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [APPVANGUARDS SRL](https://appshunter.io/developer/1873590379) | [Thrivikram G R](https://appshunter.io/developer/1890656155) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-speak-track-grow/id6758552998)

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

**In-app purchases:** none


### Productivity Matrix

[App page](https://appshunter.io/ios/app/productivity-matrix/id6761648813)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

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

### Is Productivity Matrix free?

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

### Do Echo or Productivity Matrix have ads?

Neither Echo nor Productivity Matrix 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.*