# MDA931 vs RAmp

The clearest difference is in-app purchases: MDA931 at none against RAmp's 1. MDA931 also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. RAmp sells 1 one-off in-app purchase. MDA931 asks for nothing beyond the download.

MDA931 ships an update every 2 months, RAmp every 5 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MDA931 | RAmp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Elisa Valeria Distefano](https://appshunter.io/developer/326512931) |

## What reviewers say

### MDA931

[App page](https://appshunter.io/ios/app/mda931/id6470818095)

**Features:** macOS Compatibility

**In-app purchases:** none


### RAmp

[App page](https://appshunter.io/ios/app/ramp-remote-amp-controller/id6761459476)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ramp PRO | $7.99 | one-time |


## Frequently asked questions

### Is MDA931 free?

MDA931 is free to download, with no in-app purchases.

### Is RAmp free?

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

### Do MDA931 or RAmp have ads?

Neither MDA931 nor RAmp shows ads.

### Which is updated more often, MDA931 or RAmp?

MDA931 ships an update every 2 months, and RAmp every 5 months. Most recently, MDA931 was updated on September 10, 2026 and RAmp on September 18, 2026.

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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.*