Duo Blocks vs Tangramthrum

A calm two-player block puzzle for one shared phone. Take turns placing pieces, help the next player, and build a cozy score together.

Tangramthrum is the classic shape puzzle for iPhone and iPad: seven pieces, endless figures, calm and unhurried, with no ads and no timers. THREE WAYS TO PLAY • Classic tangram: all seven pieces, tap to rotate, hold to flip, 138 figures from the basic shapes to tricky silhouettes • Letters and digits: the tangram alphabet, A to Z and 0 to 9 • Fill: place the pieces in their given orientation, no rotating at all, 100 relaxed levels HOW IT PLAYS • Drag pieces from the tray into the silhouette and they snap into place • Every valid arrangement counts, even if you assemble the figure differently than expected • Hints are free and unlimited • Solved figures show their colored solution in the level overview PRINT IT Every template prints as a worksheet, optionally with the colored pieces to cut out at the matching scale. The app becomes a tangram for the kitchen table. WHO IT IS FOR Anyone from about five years up. Tangram trains visual perception, spatial orientation and shape recognition, skills that also help with reading and arithmetic. Made in the world of the German Dyslexia Association. QUIET AND PRIVATE 100% free, ad-free, no purchases. The app collects no data, asks for no account and works completely offline. Your progress stays on your device. English and German, switchable at any time.