🂡
Free
Blackjack
Master basic strategy hand by hand — hard totals, soft totals, splits, and mid-hand decisions — with instant feedback on every call.
Get smart at the games you love.
Quiz-based trainers that drill you on the strategy, odds, and know-how behind the games and skills you love — until the right answer is second nature.
🎹
Free
Piano
Read music at sight — notes on the staff, key signatures, intervals, and chords — with instant feedback on every answer.
🧠
Free
Know-It-All
Sharpen your general knowledge the way quiz-show contestants do — geography, history, science, literature, arts, and wordplay — with the why behind every answer.
📜
Free
Notary
Get notary-exam ready — notarial acts, identification, journals, fees, ethics, and remote notarization — with an explanation behind every answer.
🎸
Free + Pro
Fretsy
Own the guitar fretboard — name every note on every string, drill scales, keys, and intervals — until finding any note is instant. Beginner is free; Pro unlocks every level.
🏟️
Paid
Reffy
Referee smarter — drill the rulebook chapter by chapter, find your weak areas, and get season-ready for the sports you officiate.
🧠
Learn by doing
Every session is a stream of real situations to solve — the fastest way to make good decisions automatic.
✈️
Works offline
The mobile apps run with no network at all. Practice on a plane, in a basement, anywhere.
🚫
No real-money betting
These are trainers, not casinos. No wagering, no ads pushing you to gamble — just skill.
🎨
Yours to tune
A shared set of themes across every GameSmarts app, so it looks the way you like it.