The best differential diagnosis apps on iPhone average 4.6★ across 206+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Diagnose confidently with the fully updated DSM-5-TR Differential Diagnosis Handbook. Utilize interactive decision trees, algorithms, and the latest classifications to streamline the diagnostic process for psychiatric conditions. Explore detailed entries, tables of differentials, and more on all devices for enhanced clinical assessment.