kitio.aiOpenEvidence vs Ada Health
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenEvidence starts at Free and Ada Health starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cited clinical answers
- Journal content partnerships
- Guideline summaries
- Mobile apps
- Visit documentation
- Symptom assessment chat
- Care level guidance
- Shareable reports
- Assessments for others
- Health system licensing
| Feature | OpenEvidence | Ada Health |
|---|---|---|
| Best for | AI medical search engine that answers clinical questions with citations | AI symptom checker app that suggests possible causes and next steps |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | OpenEvidence | Ada Health |
| Based in | United States | Germany |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenEvidence starts at Free and Ada Health starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OpenEvidence
- Free for verified clinicians
- Answers link to studies
- Fast point-of-care lookups
- Full access needs US verification
- Ad-supported model
- Not a substitute for judgement
Ada Health
- Free consumer app
- Clinician-style follow-up questions
- Clear care recommendations
- Not a diagnosis
- Long question flows
- Accuracy varies by condition
Which one should you choose?
Choose OpenEvidence if you want:
- Free for verified clinicians
- Answers link to studies
- Fast point-of-care lookups
Watch out: full access needs us verification.
Choose Ada Health if you want:
- Free consumer app
- Clinician-style follow-up questions
- Clear care recommendations
Watch out: not a diagnosis.
OpenEvidence vs Ada Health FAQ
What is the difference between OpenEvidence and Ada Health?
OpenEvidence: AI medical search engine that answers clinical questions with citations. Ada Health: AI symptom checker app that suggests possible causes and next steps. Both are legal, finance & hr tools.
Is OpenEvidence or Ada Health cheaper?
OpenEvidence starts at Free and Ada Health starts at Free. Check both pricing pages for current plans.
Do OpenEvidence and Ada Health have free plans?
OpenEvidence: Yes, fully free. Ada Health: Yes, fully free.
Who makes OpenEvidence?
OpenEvidence is made by OpenEvidence, based in United States.
Who makes Ada Health?
Ada Health is made by Ada Health, based in Germany.
Which should I choose, OpenEvidence or Ada Health?
Choose OpenEvidence if you value free for verified clinicians and answers link to studies. Choose Ada Health if you value free consumer app and clinician-style follow-up questions.