Ada Health

The platform's core product is an AI-driven symptom checker that guides users through a personalized, adaptive conversation about their health concerns and returns a detailed assessment of possible conditions along with clear, actionable guidance on what to do next.

Ada's clinical reasoning engine is built on medical knowledge covering 3,600 conditions and evaluates over 10,000 symptoms and risk factors across all major medical disciplines.

The symptom assessment experience is designed to feel more like consulting a knowledgeable clinician than filling out a checklist.

Rather than presenting a static list of symptoms to select from, Ada's AI asks dynamic follow-up questions based on previous answers, personalizing the assessment to each individual's specific combination of reported symptoms, medical history, age, sex, and other relevant factors.

This adaptive approach allows the system to refine its differential diagnosis progressively and surface conditions that a simpler checkbox-based tool might miss.

Following each assessment, Ada generates a comprehensive personal health report that includes a ranked list of possible conditions matching the reported symptoms, the relative probability and seriousness of each condition, and clear, non-alarmist guidance on next steps.

Depending on the assessment outcome, users may be advised to monitor symptoms at home, schedule a primary care appointment within a specific timeframe, or seek urgent or emergency care immediately. This triage guidance helps users make informed decisions about when and where to seek professional care.