# DenSync vs Echo

The clearest difference is device support: Echo at 3 against DenSync's —. DenSync's advantage is iOS requirement (11.0 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 | DenSync | Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 67 MB | 59 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Sanjana Mathew](https://appshunter.io/developer/1636107671) | [Wail Ashraf](https://appshunter.io/developer/1583763302) |

## What reviewers say

### DenSync

[App page](https://appshunter.io/ios/app/densync/id1642150765)

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-dent/id6753124614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DenSync free?

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

### Is Echo free?

Echo 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.*