Please turn your phone upright
The test measures how the device moves, so it has to be held in portrait for the reading to be valid.Behavioural age estimation — no camera, no ID, no personal data.
Thanks for taking part. You'll hold the phone still for about six seconds while we record its motion sensors, then enter an age and gender so we can check the estimate.
Takes under a minute. You can stop at any time.
Start the testThe test reads a phone's accelerometer and gyroscope. Laptops and desktops have no motion sensors, so it can't run in this browser.