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Sync for Lemmy - Now Released on Play Store
(play.google.com)
This is a most excellent place for technology news and articles.
To be fair, the comments and posts you leave are technically being collected for display across the lemmyverse. In that sense, there's never going to be a zero data collection Lemmy client. Still, Liftoff currently has my vote. A decent little FOSS fork of Lemur, I believe.