# RF Live system vs Volumi

The clearest difference is in-app purchases: RF Live system at none against Volumi's 1. RF Live system also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Volumi sells 1 one-off in-app purchase. RF Live system asks for nothing beyond the download.

## The numbers

| Metric | RF Live system | Volumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 5 MB | 2 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SEIKAKU](https://appshunter.io/developer/860317297) | [波 张](https://appshunter.io/developer/6777857130) |

## What reviewers say

### RF Live system

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Volumi

[App page](https://appshunter.io/ios/app/volumi/id6779463025)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volumi Pro | $1.99 | one-time |


## Frequently asked questions

### Is RF Live system free?

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

### Is Volumi free?

Volumi is free to download, with in-app purchases available.

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

Neither RF Live system nor Volumi 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.*