← Marty The Creative
Find out what's slowing you down.

Find out what's
slowing you down.

A two-minute test each day works out how much your sleep, drinking, caffeine and stress are actually costing you — and which ones aren't. Pick your platform below.

02 Recommended
Android
Google Play

The full native experience — sound, haptics, offline sessions. Built for Android, not ported to it.

Download on Google Play → 01 Recommended
iPhone & iPad
Play Now

Works right in Safari or Chrome — no App Store needed. Add it to your home screen and it's indistinguishable from a real app.

Open CogiTrain → 03 Recommended
Desktop & Other
Play in Browser

No install, no download. Your first real number is about sixty seconds away.

Play CogiTrain →
Want it on your home screen? After opening CogiTrain, tap the Share icon in your browser, then choose Add to Home Screen. It installs like a real app — full screen, its own icon, no browser bar.
  1. Tap Open CogiTrain above
  2. Tap the Share icon
  3. Scroll down, tap Add to Home Screen
  4. Tap Add — done