Knob Sketch: Retro Drawing

Knob Sketch brings the classic knob drawing toy to your iPhone. Turn the left knob to draw side to side and the right knob to draw up and down. Turn both together for diagonals and curves. There's no finger painting and no undo, just one continuous line and your patience. That's the whole charm. SHAKE TO ERASE, THE REAL WAY Give your iPhone a gentle shake and the drawing fades a little. Shake harder to wipe it clean. Stop halfway and draw something new over the faded ghost of the old one. FEELS LIKE THE REAL TOY • Knurled knobs that spin under your thumbs • Soft haptic clicks as you turn • A grey "magic screen" with fine, dark lines • Built for landscape, with a thumb on each knob KEEP YOUR MASTERPIECES • Save drawings to your in-app gallery • Reopen any drawing and keep adding to it • Your work in progress is kept safe even if you close the app SHARE THEM • Export with the classic red…