Comparison

AHA eBook Reader vs OpenEvidence

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AHA eBook Reader

Access and read your American Heart Association eBooks on your mobile device. Log in with your existing AHA account to view your purchased books, download them for offline reading, and enjoy features like searching, bookmarking, and adjusting font size.

Highlights
  • Read eBooks online and offline
  • Log in with AHA account
  • Download purchased books
  • Search within titles
  • Sort books by category
  • Add bookmarks
  • Adjust font size
Features
Read full description

With the AHA eBook Reader you can read all your American Heart Association (AHA) eBooks online, offline or anytime on your mobile device. You can log into this eBook reader using the same account information as your AHA account. How to add AHA eBooks to your AHA eBook Reader 1. Open your AHA eBook Reader. 2. Authorize your eBook Reader using your account information from the AHA eBooks website. 3. Your Bookshelf will show all your purchased books. 4. Click on the title you want to download to your eBook Reader. Your download will start automatically. 5. After download is complete, click on that title to read your eBook on your mobile device. With your AHA eBook Reader, you can - Search in titles - Sort by category - Add bookmarks - Change the font size - Jump within the text between chapters - Jump within text to figures, tables, references. - Preview other AHA eBooks The American Heart Association is the nation’s oldest, largest voluntary organization devoted to fighting cardiovascular diseases and stroke.

About

OpenEvidence

This app provides healthcare professionals with evidence-based clinical decision support and medical information. It acts as a search engine, sourcing answers from peer-reviewed literature and leading medical organizations to aid in high-stakes medical decisions at the point of care.

Highlights
  • Clinical decision support
  • Medical search engine
  • Sourced from peer-reviewed literature
  • FDA and CDC data integration
  • Partnerships with leading medical journals
  • Verified healthcare professional access
Features
Currently charting
Read full description

Clinical Decision Support & Medical Search Engine for Healthcare Professionals (NPI Required) OpenEvidence is the most widely used clinical decision support platform and medical search engine among U.S. clinicians. According to independent studies, more American physicians use OpenEvidence than all other AI platforms combined. OpenEvidence is trusted by millions of verified healthcare professionals to make high-stakes clinical decisions at the point of care with answers that are sourced, cited, and grounded in peer-reviewed medical literature. Founded with the mission to organize and expand the world's collective medical knowledge, OpenEvidence is actively used daily by the majority of physicians in the United States. OpenEvidence is free for all verified U.S. clinicians. AN OFFICIAL AI PARTNER OF: The New England Journal of Medicine (NEJM) The Journal of the American Medical Association (JAMA) and its 11 specialty journals National Comprehensive Cancer Network (NCCN) Nature Cochrane Library Wiley WHAT YOU GET: • Specific answers to clinical questions, with every claim cited to its source • 35 million+ peer-reviewed papers, 300+ medical journals, plus FDA and CDC sources • Licensed full text from NEJM, JAMA, Nature, Cochrane, and others • EvidenceGrade™: see the strength of the evidence behind every answer • CME and MOC credits, earned by asking questions • Visits for ambient documentation, Dialer for secure patient calls, and Voice Mode for hands-free answers CONTENT AGREEMENTS AND COLLABORATIONS: American Academy of Family Physicians (AAFP) American College of Cardiology (ACC) American Diabetes Association (ADA) American Academy of Pediatrics (AAP) American College of Obstetricians and Gynecologists (ACOG) American College of Emergency Physicians (ACEP) ASCO Guidelines American Academy of Orthopaedic Surgeons (AAOS) American Academy of Ophthalmology (AAO) American Urological Association (AUA) Plus AAO-HNS, GINA, SNO, SSO, and more. IN USE ACROSS: 10,000+ hospitals and medical centers nationwide, including Mayo Clinic, Mount Sinai, Cedars-Sinai, MSKCC, and Sutter Health. WHY CLINICIANS TRUST US: • HIPAA compliant across the platform • NEJM, JAMA, Nature, and NCCN—official content partners 
 • Tens of millions of clinical consultations per month WHAT CLINICIANS SAY: “OpenEvidence is currently the best AI tool for medical information.” — Dr. Paul Sax, Infectious Disease, Brigham and Women’s Hospital, Review in The New England Journal of Medicine Journal Watch (now NEJM Clinician) “In a morning report, a resident had a question that I didn’t know the answer to, but we were able to open OpenEvidence and get an answer on the spot.” — Dr. Kyle P. Lehenbauer, Minneapolis Veterans Affairs Medical Center “I use OpenEvidence multiple times during the day and every day. I am a better doc because of this. I expand my differential diagnoses and verify the science behind choices of treatments.” — Dr. Sharon E. Martin, Southern Huntingdon Medical Center Important note: OpenEvidence is available only to healthcare professionals. Users must verify their healthcare professional status before using OpenEvidence.

Screenshots

AHA eBook Reader4 screens
OpenEvidence4 screens

Verdict

The call

The clearest difference is review sentiment: OpenEvidence at 81% against AHA eBook Reader's 12%. OpenEvidence also leads on update cadence (weekly vs every 2 months) and rating (4.9 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OpenEvidence holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 1.5K, so its average is the more settled of the two. Written reviews point the same way: 12% of AHA eBook Reader's written reviews are positive against 81% of OpenEvidence's.

UpkeepUpdate frequency

AHA eBook Reader ships an update every 2 months, OpenEvidence weekly. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 6 level
AHA eBook Reader versus OpenEvidence: the parameters behind the verdict, then further details
ParameterAHA eBook ReaderOpenEvidence
PriceFreeFree
Rating4.6 (1.5K ratings)4.9 (12K ratings) — better
Positive reviews11.6% of reviews81.0% of reviews — better
Number of ratings1.5K12K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#34 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size53 MB95 MB
Age rating17++17
DeveloperAmerican Heart AssociationOpenEvidence Inc.

Customer experience

AHA eBook Reader

All ratings1,486 ratings
Positive90.0%
Neutral3.2%
Negative6.7%
Written reviews155 reviews
Positive11.6%
Neutral5.2%
Negative83.2%

OpenEvidence

All ratings11,960 ratings
Positive98.7%
Neutral0.4%
Negative0.8%
Written reviews295 reviews
Positive81.0%
Neutral2.4%
Negative16.6%

Bugs and requests

AHA eBook Reader

Not enough reviews yet to summarise bugs or requests.

OpenEvidence

Reported bugs

1 issue
  • App not working in latest update

Requested features

2 requests
  • Availability on MacBook
  • Integration with clinical workflows and EMRs

In-app purchases

None

AHA eBook Reader

No in-app purchases

None

OpenEvidence

No in-app purchases

Questions

Is AHA eBook Reader free?
AHA eBook Reader is free to download, with no in-app purchases.
Is OpenEvidence free?
OpenEvidence is free to download, with no in-app purchases.
Which has better reviews, AHA eBook Reader or OpenEvidence?
OpenEvidence is rated higher. AHA eBook Reader averages 4.6 out of 5 from 1.5K ratings, while OpenEvidence averages 4.9 from 12K ratings.
Do AHA eBook Reader or OpenEvidence have ads?
Neither AHA eBook Reader nor OpenEvidence shows ads.
Which is updated more often, AHA eBook Reader or OpenEvidence?
AHA eBook Reader ships an update every 2 months, and OpenEvidence weekly. Most recently, AHA eBook Reader was updated on October 19, 2026 and OpenEvidence on October 21, 2026.

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