# ERC vs RoboX

The clearest difference is device support: RoboX at 3 against ERC's —. ERC's advantage is iOS requirement (7.0 vs 12.0). 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 | ERC | RoboX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 6 MB | 32 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [卫荣 肖](https://appshunter.io/developer/1249662470) | [林 李](https://appshunter.io/developer/1721826489) |

## What reviewers say

### ERC

[App page](https://appshunter.io/ios/app/erc-283/id1249662471)

**In-app purchases:** none


### RoboX

[App page](https://appshunter.io/ios/app/robox/id6475214341)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ERC free?

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

### Is RoboX free?

RoboX 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.*