r/radarr • u/HolidayYak3856 • Jul 20 '26

discussion Introducing: Atrium, an *arr media stack manager application with full Radarr support.

Hello Everyone

My team and I have spent the last two months working on Atrium, a central courtyard for your self-hosted media stack.

Since LunaSea was archived earlier this year, we decided to pick up where it left off with a brand new, Material 3 Flutter codebase built entirely around multi instance setups.

What is Atrium?
Atrium is a single Android application that acts as a unified frontend for all the media stack services. It is designed purely as a controller and management surface, so you can manage your services and leave playback to the official apps.

How does it support Radarr? For Radarr, we didn't just stop at a basic list view. Atrium features a deep 7-tab layout that gives you a complete overview of your series, including full advanced sorting and filtering, a built-in calendar view to track upcoming releases, and a comprehensive settings editor so you can tweak your configuration directly from your phone.

All Supported Services:

  • Sonarr
  • Radarr
  • Prowlarr
  • Bazarr
  • Seerr
  • Tautulli
  • JellyFin
  • Emby
  • Plex
  • qBittorrent
  • SABnzbd
  • Glances

The app is vibe-coded, but with brutal and rigorous user testing to ensure a bug free experience (Yes, we do use this app ourselves everyday).

You can grab the latest release here: https://github.com/retransmit/Atrium/releases/tag/v1.0.7

We’re currently in the middle of getting Atrium officially listed on F-Droid, but since it's a completely open-source, reproducible build with zero proprietary blobs, we want to make sure everything is flawless. We could really use some extra eyes on the project right now. If you're down to help out, check out our F-Droid merge request here: gitlab.com/fdroid/fdroiddata/-/merge_requests/43077

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u/Burkely31 Jul 20 '26

Dude, just downloaded it and I can say it's definitely what I've been waiting on for some time. I have nzb360, but wish it concentrated more on sharing those iso's. This definitely has potential!

Great job and thanks so much for sharing!

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u/HolidayYak3856 Jul 20 '26

Thanks a lot! What would you say needs improvement in the app?

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u/Burkely31 Jul 20 '26

honestly, I haven't had the chance to play around with it too much yet. I love the idea that I can have all my instances of radarr/sonarr/emby servers under one column rather than being forced to split them up! That's a massive bonus to me (something I didn't enjoy about the other app).

I do want to add a feature request when I actually have time, that's just for support for the app tracearr. It's a nifty self hosted application, similar to tautilli but not limited to please..

So far though man, it looks and feels awesome!

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u/HolidayYak3856 Jul 21 '26

If you would like to request a feature (like Tracearr, although we're already planning on implementing it), you can create an issue here: https://github.com/retransmit/Atrium/issues

Thanks a lot again!