Ada is a symptom checker created by doctors
Understand your symptoms
With our free symptom checker, built on AI and clinical evidence.Manage your health
With our symptom tracker and the latest medical informationFind the care you need
With care options based on your unique symptoms and health profile
Get started in 5 simple steps
- Download Ada.
- Take around 5 minutes to answer questions about your symptoms.
- Learn about the conditions Ada suggests.
- Read trusted advice.
- Find out what to do next.
Accurate
Clinical studies show Ada is the most accurate symptom checker app.Confidential
We anonymize your personal and medical data. You own it and control it.Trusted
Ada is the world's most popular symptom checker app. Rated 4.75/5 on Android and 4.8/5 on iOS.
Award-winning technology
Here for you, even when youâre feeling well

Take care of your loved ones with separate symptom checker profiles.

Explore human health with our doctorsâ Condition Library.

Monitor changes in your health with the symptom tracker.
10 millionusers
25 millionsymptom assessments completed
250,0005-star ratings
7product languages
50in-house medical experts
Get started today