Three quick, research-backed tasks measure how much your mind can hold, where it slips, and how it compares. Takes about three minutes.
Best on a quiet screen. No sign-up. Nothing is uploaded — results stay on your device.
⚠️ Not a diagnosis. This is a research-inspired screening demo built on validated paradigms (Corsi block-tapping, change-detection / Cowan's K, delayed visual recall). A single session can be skewed by sleep, caffeine, stress, and screen lag. Working-memory weakness is common in ADHD but also appears with anxiety, poor sleep, and many other causes. If results match your daily experience, talk to a qualified clinician.