← Marty The Creative
Science-based brain training

Train your mind,
wherever you are.

Five cognitive game modes. Choose how you want to play — every path leads to the same training ground.

02 Recommended
🤖
Android
Google Play

The full native experience — sound, haptics, and offline play, built specifically for Android.

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 for the full app-like experience.

Open CogiTrain → 03 Recommended
💻
Desktop & Other
Play in Browser

No install, no download. Jump straight into a session from any computer or device.

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