JamCheck · free · no account needed
Know if your setup can actually keep time before you try to jam.
JamHub reads your device, audio, and network honestly — no guessing, nothing measured gets hidden — and tells you exactly what to fix, starting with what's free.
How it works
Run JamCheck
A minute in your browser: audio devices, MIDI, and a real network measurement against JamHub's own server.
Get an honest JamScore
Four independent dimensions, plain-language recommendations, and free fixes offered before anything you'd have to buy.
Jam together
Start a Jam Room, send one invite link, and play over real duplex audio with live Jam Health — direct between your two browsers.
We don't claim "zero latency," because nobody can deliver it.
Distance and physics set a floor no software removes. Every number JamHub shows you traces back to something actually measured for your setup — never a hardcoded placeholder, never an aspirational figure.