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Head-to-head · AI Symptom Checker Apps

WebMD Symptom Checker vs Ada Health

  • Updated Nov 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score WebMD Symptom Checker #3 in AI Symptom Checker Apps 9.0/10 Free plan Free plan✓ 2 of 3 features Visit WebMD
Ada Health #4 in AI Symptom Checker Apps 8.4/10 Free plan Free plan✓ 3 of 3 features Visit Ada Health

WebMD Symptom Checker leads on 0 checks, Ada Health on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWebMD Symptom Checker · 9.0/10
  • Free planboth
  • Most featuresAda Health · 3 of 3

WebMD Symptom Checker scores higher on our rubric for ai symptom checker apps: 9.0 against 8.4 out of 10; our editors rank them #3 and #4.

On symptom input, WebMD Symptom Checker gives you Both where Ada Health offers Guided.

WebMD Symptom Checker is the better fit for users wanting a familiar free symptom checker. Ada Health is the better fit for people seeking free, guided symptom assessment.

  • WebMD Symptom Checker fits best

    Users wanting a familiar free symptom checker

  • Ada Health fits best

    People seeking free, guided symptom assessment

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature WebMD Symptom Checker 9.0/10 Visit ↗ Ada Health 8.4/10 Visit ↗
At a glance
Editor score 9.0 8.4
Ranking #3 in AI Symptom Checker Apps #4 in AI Symptom Checker Apps
Best for Users wanting a familiar free symptom checker People seeking free, guided symptom assessment
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Built for Solo Solo
Features WebMD Symptom Checker 2/3 · Ada Health 3/3
Web access ✓ ✓
Mobile app ✓ ✓
Follow-up questions Not checked yet ✓ (best)
Specs
Symptom input Both Guided
Care guidance Not checked yet Urgency
Age coverage Not checked yet Not checked yet
Our review
Pros
  • Free access on web, iOS, and Android
  • Enter multiple symptoms or choose a body part in the app
  • Web experience includes a doctor-finder link
  • Uses follow-up questions, demographics and risk factors in assessments
  • Reports possible causes and their likelihood
  • Offers safety-netting guidance on when to seek medical support
Cons
  • Shows possible conditions, not a diagnosis
  • WebMD says it does not provide medical advice
  • Offers less follow-up and care guidance than triage-focused services
  • An assessment is not a diagnosis or a substitute for professional advice
  • Mobile app availability varies by country
  • Support is limited to tickets
Our verdict

WebMD Symptom Checker is a consumer health tool for people who want to explore symptoms and possible conditions. Its free experience is available on the web and in iOS and Android apps, making it an accessible option for users seeking a…

Read the review →

Ada Health offers a free symptom assessment service for people who want to explore possible explanations for symptoms before deciding on next steps. Users describe symptoms and answer follow-up questions; the system applies probabilistic…

Read the review →
  1. WebMD Symptom CheckerAI Symptom Checker Apps 9.0Free plan
  2. Ada HealthAI Symptom Checker Apps 8.4Free plan

Strengths and trade-offs

  • WebMD Symptom Checker — where it wins

    • Free access on web, iOS, and Android
    • Enter multiple symptoms or choose a body part in the app
    • Web experience includes a doctor-finder link

    Where it doesn't

    • Shows possible conditions, not a diagnosis
    • WebMD says it does not provide medical advice
    • Offers less follow-up and care guidance than triage-focused services
  • Ada Health — where it wins

    • Uses follow-up questions, demographics and risk factors in assessments
    • Reports possible causes and their likelihood
    • Offers safety-netting guidance on when to seek medical support

    Where it doesn't

    • An assessment is not a diagnosis or a substitute for professional advice
    • Mobile app availability varies by country
    • Support is limited to tickets
  • WebMD Symptom Checker9.0/10 · Free plan

    A free, familiar symptom checker for exploring possible conditions across web and mobile.

    Visit WebMDFull verdict →
  • Ada Health8.4/10 · Free plan

    A free guided checker that estimates possible causes and offers urgency guidance.

    Visit Ada HealthFull verdict →

WebMD Symptom Checker vs Ada Health: questions

Which is better for AI symptom checker apps, WebMD Symptom Checker or Ada Health?

WebMD Symptom Checker scores higher on our rubric for ai symptom checker apps: 9.0 against 8.4 out of 10; our editors rank them #3 and #4.

How do WebMD Symptom Checker and Ada Health compare?

All 4 checks we put side by side come out level: neither leads on any.

Do WebMD Symptom Checker and Ada Health have a free plan?

WebMD Symptom Checker: Yes. Ada Health: Yes.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update