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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 information

Find the care you need
With care options based on your unique symptoms and health profile

Take around 5 minutes to answer questions about your symptoms.

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Accurate
Clinical studies show Ada is the most accurate symptom checker app.

Confidential
We protect your data in accordance with the highest data protection standards. Your data. Your decisions.

Trusted
Ada is the world's most popular symptom checker app. Rated 4.75/5 on Android and 4.8/5 on iOS.

Here for you, even when you’re feeling well

Take care of your children or elderly relatives with separate symptom checker profiles.

Explore human health with our doctors’ Condition Library.

Monitor changes in your health with the symptom tracker.

I was skeptical while downloading it, but I answered Ada's questions honestly, and was given a rather accurate assessment which I took to my specialist, and we're now treating a condition that can be monitored easily.

Very friendly and easy to use, and turns out really accurate when you get a professional diagnosis later on. I really like how it takes to account a variety of factors when asking about symptoms. Don't expect it to replace professional medical diagnosis tho! This app basically guides me to realize when it's time to see a doctor.

Well I have had a very rare disease since birth so I decided to see if it could guess it and it got it right! I was very surprised, it said only 9 out of 10,000 people get it and it still guessed it. I recommend this app very much.

I had a really bad ear infection that lasted a while so I put my symptoms in on this app. It asked me a lot of questions and told me that my symptoms could be a busted eardrum. I didn’t believe it at first. I went to a doctor later that month and they told me that my right eardrum was busted.

These are unaltered publicly available third-party statements and not claims from Ada.

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