# RGB vs E

The clearest difference is iOS requirement: RGB at 11.0 against E's 17.0. On price, ads, in-app purchases and device support 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 | RGB | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Size | 27 MB | 85 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaushik Kale](https://appshunter.io/developer/1217105403) | [Pini Gross](https://appshunter.io/developer/1637656504) |

## What reviewers say

### RGB

[App page](https://appshunter.io/ios/app/rgb-mood-light/id1547948337)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-biotic-pro/id6742466740)

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

**In-app purchases:** none


## Frequently asked questions

### Is RGB free?

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

### Is E free?

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

### Do RGB or E have ads?

Neither RGB nor E 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.*