# Echo Eye vs RoboDog Control

Echo Eye and RoboDog Control are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Echo Eye | RoboDog Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 75 MB | 47 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HSC Tech Limited](https://appshunter.io/developer/1810433761) | [Xueyi Wang](https://appshunter.io/developer/1886317835) |

## What reviewers say

### Echo Eye

[App page](https://appshunter.io/ios/app/echo-eye/id6745018632)

**Features:** macOS Compatibility

**In-app purchases:** none


### RoboDog Control

[App page](https://appshunter.io/ios/app/robodog-control/id6762596132)

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo Eye free?

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

### Is RoboDog Control free?

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

### Do Echo Eye or RoboDog Control have ads?

Neither Echo Eye nor RoboDog Control 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.*