Compare software

Mlem vs Interstellar: catalog facts
Mlem	Interstellar
Best for: Lemmy users on iPhone who want a native client	Best for: Lemmy, Mbin and PieFed users who want one app for all three
Free Free and open source.	Free Free and open source.
iOS	Windows, Linux, Android
Native iOS app written in Swift Works across Lemmy instances All 4 strengths for Mlem Native iOS app written in Swift Works across Lemmy instances Open source with an active contributor group Open in Mlem extension for Lemmy links	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
iOS only, with no Android version Supports Lemmy rather than other fediverse platforms	Smaller project with a modest contributor base Features depend on what each server type supports
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for Mlem github.com/mlemgroup/mlem apps.apple.com/us/app/mlem-for-lemmy/id6450543782 Catalog checked September 24, 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.