ChessUnlock vs cosskill
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.
cosskill
Get Ready for Conversations That Matter
community boosts
⚡ 0
pricing
Freemium
what it is
Get ready for conversations that matter. Some talks change everything—your salary, your relationship, or the respect you get at work. Rehearse these high-stakes moments with AI before they happen for real. Free to start.