# SlimLibrary vs MO 4Media

The clearest difference is price: MO 4Media at Free against SlimLibrary's $6.99. MO 4Media also leads on iOS requirement (10.3 vs 12.0). SlimLibrary's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

MO 4Media is free to download; SlimLibrary costs $6.99 up front. MO 4Media sells 1 in-app purchase, starting at $6.99 per year. SlimLibrary asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.3 for SlimLibrary against 3.3 for MO 4Media. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 40% and 40% positive.

SlimLibrary ships an update every 3 weeks, MO 4Media every 2 months. The most recent releases landed on June 11, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | SlimLibrary | MO 4Media |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/slimlibrary/id1022479972/reviews) | [3.3 (3 ratings)](https://appshunter.io/ios/app/mo-4media/id1446924921/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 40.0% of reviews | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 54 MB | 57 MB |
| Requires iOS | 12.0 | **10.3** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matglo Solutions LLC](https://appshunter.io/developer/891063596) | [Craig Baldwin](https://appshunter.io/developer/1446484449) |

## What reviewers say

### SlimLibrary

[App page](https://appshunter.io/ios/app/slimlibrary/id1022479972)

Access and control your Logitech Media Server library. Browse music and videos, view album art and liner notes, and stream content to your iOS device.

**Highlights:** Browse entire media library, Control all players, View album images and liner notes, Listen to music on iOS device, View videos on iOS device, Stream LMS supported services, Today View widget for quick controls

**Features:** macOS Compatibility

**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 SlimLibrary free?

SlimLibrary costs $6.99, with no in-app purchases.

### Is MO 4Media free?

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

### Which has better reviews, SlimLibrary or MO 4Media?

SlimLibrary and MO 4Media are both rated 3.3 out of 5 on the App Store, from 3 and 3 ratings respectively.

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

Neither SlimLibrary nor MO 4Media shows ads.

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

SlimLibrary ships an update every 3 weeks, and MO 4Media every 2 months. Most recently, SlimLibrary was updated on June 11, 2026 and MO 4Media on June 3, 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.*