TwentyFour: Make 24

Make exactly 24 using four numbers—and discover how many elegant paths hide in simple arithmetic. TwentyFour is a calm, handcrafted number puzzle for iPhone and iPad. Tap cards in calculation order and choose +, −, ×, or ÷ either between the two cards or after selecting both. Keep combining until one exact result remains. Every number must be used exactly once. Features: • 120 verified puzzles across six progressive chapters • Exact fractions and negative intermediate results • Step hints, undo, redo, restart, and full solutions • Three-star goals based on hints, time, and efficient moves • A deterministic daily challenge that works offline • Free practice with adjustable difficulty • Achievements and local statistics • Dark Mode, Dynamic Type, VoiceOver, and Reduce Motion • No ads, accounts, in-app purchases, analytics, or network connection There is no failure countdown. Take your time, experiment, and build stronger number sense at your own pace. Can you make 24?