# Gamma vs MO 4Media

The clearest difference is in-app purchases: Gamma at none against MO 4Media's 1. Gamma also leads on update cadence (every 9 days vs every 2 months). MO 4Media's advantage is iOS requirement (10.3 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. MO 4Media sells 1 in-app purchase, starting at $6.99 per year. Gamma asks for nothing beyond the download.

Gamma ships an update every 9 days, MO 4Media every 2 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Gamma | MO 4Media |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/mo-4media/id1446924921/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free |
| Size | 11 MB | 57 MB |
| Requires iOS | 26.0 | **10.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Mark Kaminsky](https://appshunter.io/developer/320370329) | [Craig Baldwin](https://appshunter.io/developer/1446484449) |

## What reviewers say

### Gamma

[App page](https://appshunter.io/ios/app/gamma/id431174453)

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

**In-app purchases:** none


### MO 4Media

[App page](https://appshunter.io/ios/app/mo-4media/id1446924921)

Control your JRiver Media Center remotely and play media directly on your device. Stream audio, video, and images, with options for offline playback and casting to other devices. Requires JRiver Media Center software running on a computer.

**Highlights:** Remote control for JRiver Media Center, Local media playback, AirPlay and Chromecast casting, Offline playback, Playlist management, Wake-On-LAN support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MO 4Media Annual Subscription | $6.99 | per year |


## Frequently asked questions

### Is Gamma free?

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

### Is MO 4Media free?

MO 4Media is free to download, with in-app purchases available.

### Do Gamma or MO 4Media have ads?

Neither Gamma nor MO 4Media shows ads.

### Which is updated more often, Gamma or MO 4Media?

Gamma ships an update every 9 days, and MO 4Media every 2 months. Most recently, Gamma was updated on October 8, 2026 and MO 4Media on October 1, 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.*