SlimLibrary vs MO 4Media
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SlimLibrary
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.
- 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
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SlimLibrary is a player and remote control for the Logitech© Media server. Use it to: · Browse your entire media library · Control all your players. · View album images, like the back cover of the album, or the inner sleeve. · Listen to music on your IOS device. · Read the album information that you have uploaded to the server. · View videos on your ios device. · Stream any LMS supported streaming service to your iOS device. SlimLibrary uses a server plugin module to provide additional features, otherwise not available from the Logitech© Media server. (SlimLibrary Plugin currently supports LMS 7.9.1 and above) Browsing You can browse your music library by a selected artist, composer, genre or year, or view the newest albums uploaded to your server. Combine an artist with a genre or year to fine tune your selection. Choose from multiple possible sort fields to sort your selection by album, artist, year and various combinations. The SlimLibrary plugin allows you even greater control of your selection by combining multiple artists, composers, genres or years, in a single selection and letting you select an ascending or descending sort order. In addition the plugin also lets you sort by date added to the server. Now you can find those lost albums that you have forgotten about. View album Images* The SlimLibrary plugin gives you the ability to view any images you have uploaded to the album folder on the server. Now you can upload and view the back cover or inner sleeve of the album or cd, and view it on your ios device. Scan the booklet that comes with your cd and upload it to your server to view and read it on your device. Play videos* SlimLibrary will let you view and play videos the you have uploaded to your server. Video formats supported are the iOS supported formats. Read album information* You can upload a text file with album information and display it on your device with the plugin installed. Put the liner notes in a info.txt file, upload to the server in the album folder and view it on your device. If you have the "Music and Artist information" plugin installed, the app will display album reviews. Today View Quickly acces the main player controls from the today view. Increase or decrease volume, pause or play, go to to next or previous track and open SlimLibrary app form the today widget. *feature provided by SlimLibrary plugin module. https://bitbucket.org/matglo/slimlibraryplugin/wiki/Home The SLimLibrary plugin support LMS 7.9.1 and above. Logitech© is either a registered trademark or trademark of Logitech in the United States and/or other countries. All other trademarks are the property of their respective owners.
MO 4Media
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.
- Remote control for JRiver Media Center
- Local media playback
- AirPlay and Chromecast casting
- Offline playback
- Playlist management
- Wake-On-LAN support
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MO 4Media is a remote control for JRiver Media Center (MC) software running on a computer (we have no affiliation with JRiver, Inc.). It also can play back media from the MC library locally to the device, play to AirPlay devices, and cast to Chromecast devices. A running copy of JRiver Media Center on a networked computer is required. You must enable "Media Network" in MC for you to be able to connect and access your media. See https://www.jriver.com to install and get more information. Features: - Control MC playback over WiFi with your device - Control separate zones and link/unlink playback between zones - Play audio/music files to your device with optional volume leveling/replay gain adjustment during playback, optional file conversion, and gapless playback for unconverted files - Play video files to your device with optional file conversion - View images on your device with optional file conversion - Run macros (list of network commands) when zones are selected or unselected. These can be MCC (control MC) or TCP (control networked A/V equipment). - On-screen volume buttons can control MC or networked A/V equipment volumes - Create, add files to, and edit playlists - Theater View remote control - Wake-On-LAN - Download files with offline playback - Seeking during playback - Custom UI colors - Option for Video playback in external player - Casting support - AirPlay support This version is now free to use without a subscription (no limitations). Notes: - To customize the library items that you can browse edit the MC options: "Tools | Options | Media Network | Advanced | Custom views for JRemote, Gizmo & Panel..." - Cover art is intentionally missing from screenshots but will display properly in the app with your library Privacy Policy: https://cncb-gh.github.io/privacy.html Terms of Use: https://cncb-gh.github.io/terms.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SlimLibrary | MO 4Media |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 3.3 (3 ratings) | 3.3 (3 ratings) |
| Positive reviews | 40.0% of reviews | 40.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.3 — better |
| Further details — not scored | ||
| Size | 54 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Matglo Solutions LLC | Craig Baldwin |
Customer experience
SlimLibrary
MO 4Media
In-app purchases
SlimLibrary
No in-app purchases
MO 4Media
- MO 4Media Annual Subscription7 Days trial$6.991 Year









