ChessUnlock vs Sifter Chat
Neck and neck on boosts. Profiles, pricing and deals below.
ChessUnlock
A chess puzzle on every unlock
community boosts
⚡ 0
pricing
Freemium
what it is
A chess puzzle every time you unlock your Mac. 5M+ tactics from Lichess, adaptive Elo rating, streak tracking. Improve at chess passively. macOS app.
Sifter Chat
Authenticated Location Chat Rooms
community boosts
⚡ 0
pricing
Freemium
what it is
Join or create a chat room only meant for right here, right now. Sifter is authenticated proximity chat — only people physically present can join. Free on iOS 16+.