Your speedcubing hub

Learn, practice, and race the Rubik's Cube.

Free tutorials that take you from your first solve to sub-20, an algorithm trainer that actually teaches recognition, a precise timer, and live head-to-head battles — all in one place.

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A complete learning path

From the daisy and your very first solve to CFOP with F2L, OLL and PLL — eight step-by-step pages with narrated 3D walkthroughs on every one.

Start the beginner path

OLL & PLL trainers

Drill last-layer recognition and execution with spaced repetition. Every case, the right way round.

Train algorithms

A precise timer

WCA-accurate timing with inspection, penalties, and smart-cube (GAN) support — built for real practice.

Start timing

Live 1v1 battles

Race a real opponent head-to-head with a ranked ELO ladder. The fastest hands win.

Find a match

One account · every device

Take CubersDen everywhere.

Start a solve on your phone, glance at the watch, review stats in the browser. Account, history and PBs sync themselves.

◊ Smart cube liveiPhone · iOS

A timer that feels the cube.

Pair a MoYu V10 or GAN smart cube over Bluetooth: live scramble coaching, auto-inspection, a 3D cube tracked by gyroscope.

Download on the App Store
Apple Watch

Time it on your wrist.

Scramble and timer with no phone nearby. Solves upload themselves once you reconnect.

Smart cube

MoYu V10 · GAN.

Every turn decoded live. Scramble coaching and a 3D solve replay.

Android

The same, on the green side.

Full timer, stats and battles. Same profile and history as iOS.

Get it on Google Play
Web

Nothing to install.

Full stats, charts and CSV export right in the browser.

Open in the browser