Compare software

Interstellar vs Alexandrite: catalog facts
Interstellar	Alexandrite
Best for: Lemmy, Mbin and PieFed users who want one app for all three	Best for: Lemmy users browsing on a desktop computer
Free Free and open source.	Free Free and open source.
Windows, Linux, Android	Web, Self-hosted
Works with Mbin, Lemmy and PieFed in one app Cross-platform from a single Flutter codebase All 3 strengths for Interstellar Works with Mbin, Lemmy and PieFed in one app Cross-platform from a single Flutter codebase Open source with a published privacy policy	Layout designed for wide desktop screens Can be self-hosted with the included Dockerfile All 3 strengths for Alexandrite Layout designed for wide desktop screens Can be self-hosted with the included Dockerfile Works with existing Lemmy accounts
Smaller project with a modest contributor base Features depend on what each server type supports	Lemmy only, no Mbin or PieFed support Not aimed at phones
Downloadable app	Web application, Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for Interstellar github.com/interstellar-app/interstellar play.google.com/store/apps/details apt.izzysoft.de/fdroid/index/apk/one.jwr.interstellar Catalog checked September 24, 2026	Official website Full listing and sources Sources for Alexandrite github.com/sheodox/alexandrite Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.