Symptom assessment software that walks through a structured question flow
Ada is a health technology company whose consumer app runs a structured symptom assessment. You answer a branching series of questions about how you feel, your history and risk factors, and the system returns a list of possible conditions with an urgency suggestion, such as self-care, see a doctor soon or seek emergency help. It is software, not a clinician: it does not diagnose, and its output is meant to help you decide what to do next. The company also licenses the assessment engine to health systems and insurers.
Last updated: 2026-09-20. This site only provides an index; for exact features, pricing, and licensing, see the official website.
understanding symptoms, deciding whether to see a doctor, health triage, tracking personal health history
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No. Ada produces a list of possibilities and an urgency suggestion based on your answers, which is not a diagnosis. Only a qualified clinician who can examine you and order tests can diagnose, and their advice should take priority over the app's output.
Do not use a symptom checker. For chest pain, difficulty breathing, severe bleeding, stroke signs or any sudden severe symptom, contact emergency services immediately. These apps suit non-urgent decisions about whether to book an appointment.
The consumer symptom assessment is free to use. Ada earns revenue by licensing its assessment technology to healthcare providers and insurers, which is separate from the consumer app and does not change what you pay.
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