Compare
Lerf, compared honestly.
Every comparison here says where the other option wins, because sometimes it does. Start with the one you're considering.
Lerf vs BrickTwo tap-to-block philosophies: strict portable device vs. adhesive tag with a timer.
Lerf vs OpalOne-time physical tag vs. subscription software with stats and streaks.
Lerf vs ScreenZenGentle per-open pauses vs. sessions that block apps outright.
Lerf vs Screen TimeWhen Apple's free, built-in option is enough — and when it isn't.