# ECHO vs GuideUS MSK

The clearest difference is device support: ECHO at 3 against GuideUS MSK's —. ECHO also leads on iOS requirement (9.0 vs 15.0). On price 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 | GuideUS MSK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 26 months | — |
| Size | 59 MB | 121 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [GoodBarber](https://appshunter.io/developer/1475258056) | [les petites mains](https://appshunter.io/developer/352919528) |

## What reviewers say

### ECHO

[App page](https://appshunter.io/ios/app/echo-loco/id493951025)

**Features:** macOS Compatibility

**In-app purchases:** none


### GuideUS MSK

[App page](https://appshunter.io/ios/app/guideus-msk/id6473532963)

**In-app purchases:** none


## Frequently asked questions

### Is ECHO free?

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

### Is GuideUS MSK free?

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

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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.*