Tell Mobile

TELL is a validated digital speech biomarker platform for researchers and clinicians studying brain health, cognition, and neurodegenerative disease. In just a few minutes of recorded speech, TELL captures 130+ acoustic and linguistic markers linked to conditions such as Alzheimer's disease, Parkinson's disease, aphasia, and other cognitive and mood disorders. The app guides participants through a structured protocol of speech tasks and a linguistic profile survey, then returns real-time visualizations for clinical use and downloadable datasets for research. KEY FEATURES: Structured speech protocol — An 11-task battery (including picture description, verbal fluency, and narrative speech) validated in peer-reviewed research and deployed across high-income and low/middle-income countries. Flexible administration — Run sessions in-clinic with an examiner, or let participants complete them…