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Summit vs Interstellar: catalog facts
Summit	Interstellar
Best for: Lemmy and PieFed users and moderators on Android	Best for: Lemmy, Mbin and PieFed users who want one app for all three
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source.
Android	Windows, Linux, Android
Supports both Lemmy and PieFed Moderation and admin actions in the app All 4 strengths for Summit Supports both Lemmy and PieFed Moderation and admin actions in the app Ten editable feed layouts and searchable settings Multiple accounts and automatic drafts	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
Android only Many options can take time to learn	Smaller project with a modest contributor base Features depend on what each server type supports
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Summit summit.idunnololz.com Catalog checked October 2, 2026	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

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