Compare software

Thunder vs Eternity: catalog facts
Thunder	Eternity
Best for: Lemmy and PieFed users who want a native phone client	Best for: Android users moving from Infinity for Reddit to Lemmy
Free Free and open source.	Free Free and open source, available on F-Droid and Google Play.
Android, iOS	Android
Supports both Lemmy and PieFed One codebase for iOS and Android All 3 strengths for Thunder Supports both Lemmy and PieFed One codebase for iOS and Android Open source and actively developed	Familiar interface for former Infinity for Reddit users Available on F-Droid and Google Play All 3 strengths for Eternity Familiar interface for former Infinity for Reddit users Available on F-Droid and Google Play Open source on Codeberg
Mobile only, no desktop app Limited to Lemmy and PieFed rather than the wider fediverse	No commits since August 2024 Android only All 3 limitations for Eternity No commits since August 2024 Android only Lemmy only
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
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for Thunder github.com/thunder-app/thunder play.google.com/store/apps/details apt.izzysoft.de/fdroid/index/apk/com.hjiangsu.thunder apps.apple.com/us/app/thunder-for-lemmy/id6450518497 Catalog checked September 24, 2026	Official website Full listing and sources Sources for Eternity codeberg.org/Bazsalanszky/Eternity Catalog checked September 24, 2026

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