ChessUnlock vs Shack
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.
Shack
Post Listings in 10 Seconds with Photo AI
community boosts
⚡ 0
pricing
Free
what it is
Shack is now available in Switzerland, Germany, Austria & United States