What is the difference between polymeter and polyrhythm?

A polyrhythm fits different pulse counts into one shared duration. A polymeter keeps different meter lengths running at the same pulse until their barlines realign.

Super Time Ultra

Polymeter Generator Online

Free online polymeter generator for practicing different meters that loop together until they realign. Compare polymeter and polyrhythm with visual grids, MIDI, audio, and shareable presets.

Compare independent meters at one steady pulse, hear where their barlines realign, and turn the resulting groove into a playable idea.

What this tool includes

Independent meters

Run different bar lengths together so each meter keeps its own barline and accent pattern.

Polymeter vs polyrhythm

Use polymeter for independent bar lengths; use polyrhythm when different pulse counts share one cycle.

Play the result

Open Hand Jam to play chords, melodies, beats, and synth with simple hand movements.

How to use this tool

Choose the meters and set a comfortable shared pulse.
Listen for each downbeat, then wait for the full cycle to realign.
Move the finished groove into Hand Jam when you want to perform it with two hands.