# RF Live system vs RF OS

The clearest difference is iOS requirement: RF Live system at 11.0 against RF OS's 15.1. 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 | RF Live system | RF OS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 5 MB | 39 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEIKAKU](https://appshunter.io/developer/860317297) | [RF Labs, Inc.](https://appshunter.io/developer/1592838182) |

## What reviewers say

### RF Live system

[App page](https://appshunter.io/ios/app/rf-live-system/id6744908243)

**Features:** macOS Compatibility

**In-app purchases:** none


### RF OS

[App page](https://appshunter.io/ios/app/rf-os/id6748840322)

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

**In-app purchases:** none


## Frequently asked questions

### Is RF Live system free?

RF Live system is free to download, with no in-app purchases.

### Is RF OS free?

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

### Do RF Live system or RF OS have ads?

Neither RF Live system nor RF OS 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.*