A scrambled 3×3 cube has
43,252,003,274,489,856,000
possible states. exactly one is solved.
Enter any scramble and follow an animated 3D guide to solved — in under ten minutes, guaranteed. Then learn the method yourself, and time how fast you get.
God's number — the most moves any solve ever needs
From scramble to solved, guaranteed
Last-layer cases in the PLL trainer
Solvability checks before the solver runs
What's inside
A guaranteed solver, a hands-on teacher, and the tools to get quick — all working from the same one source of truth.
A two-phase solver cracks any valid scramble in 20 moves or fewer — every time, from any position.
Follow each turn on a rotating cube, with the next layer highlighted and plain-language steps.
A beginner course that teaches the layer-by-layer method on the cube in your own hands.
Point your webcam at each face and Cuby reads the colors, with a confirm step for every side.
A speedcubing timer with WCA inspection, ao5, ao12, and your personal best.
Drill all 21 last-layer cases — study each algorithm, or test your recognition against the clock.
Eight solvability checks flag an impossible cube before the solver ever runs.
Enter or generate moves in standard notation and watch them build on the cube, then solve.
Paint it, scan it, or try a demo — Cuby takes it from any of those 43 quintillion states to solved, and shows you how.
Recommended gear
A stock cube out of the box is stiff and slow. Here's the beginner setup we'd buy again — a magnetic cube, a real timer, lube, and a mat.
Speed cube
Magnetic, fast, and cheap — the cube most speedcubers actually start on.
View on AmazonTimer
The official competition StackMat — the honest way to see how fast you really are.
View on AmazonLube
A few drops turns a stiff, scratchy cube smooth and quiet for months.
View on AmazonMat
A grippy, low-friction pad so the cube stays put and every turn glides.
View on AmazonAs an Amazon Associate, Cuby earns from qualifying purchases — at no extra cost to you.