Comparison

Eponyms vs Heartpedia

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

Head to head
About

Eponyms

This app provides a quick reference for approximately 1800 medical eponyms, including common and obscure terms. It features full-text search, categorized browsing, and a learn mode for studying. Star your favorite eponyms for easy recall and practice.

Highlights
  • 1800+ medical eponyms
  • Full text search
  • Browse by 26 categories
  • Star favorite eponyms
  • Recently accessed list
  • Quick learn mode
Features
Read full description

Eponyms brings a short description of about 1800 common and obscure medical eponyms (e.g., Rovsing's sign, Virchow's node) to your iPhone, iPad or iPod touch. A perfect tool to quickly look up the meaning of any eponym. It uses the beautiful eponym database from Andrew J. Yee (http://www.eponyms.net/). ## Features • About 1800 eponyms • Full text search • Browse by any of the 26 categories • Star eponyms to keep track of the eponyms you tend to forget or with which you want to test your students on • List of recently accessed eponyms • Quick and easy learn mode ## Learn Mode The learn mode allows you to: • swipe to the left to show a random eponym but not its title • swipe to the right to show a random eponym title but not its text • pull down to reveal the hidden info Learn mode displays eponyms from the category you're currently visiting. This means you can either learn eponyms from a given category, only the ones that you've starred or simply all of them. ## Students Look out for the free student version of Eponyms: it's identical to to this version but free for educational purposes!

About

Heartpedia

Explore interactive 3D models of pediatric heart anomalies and defects. This app provides detailed visualizations and explanations to help healthcare providers educate patients and families, or for individuals to learn more about specific conditions.

Highlights
  • Interactive 3D heart models
  • Normal, defect, and repair views
  • Exterior and interior heart planes
  • Pan, rotate, and zoom functionality
  • Video animations with audio descriptions
  • Key heart structure labels
  • Detailed defect descriptions
Features
Read full description

Congenital heart defects can be difficult to visualize and explain. Heartpedia, created by Cincinnati Children's Hospital, allows you to interact with 3D models of pediatric heart anomalies and defects. Healthcare providers may use these anatomically-correct models as visual learning tools to help educate patients and families on specific defects and repairs. Heartpedia may also be helpful to patients and families who want to learn more on their own or to share the details of a defect with concerned friends and family. Cincinnati Children’s believes that supplying the right information and tools ultimately results in the highest level of care and the best outcomes. FEATURES Explore what a normal, defective and repaired heart looks like for these anomalies and defects: •Tetralogy of Fallot •Coarctation of the Aorta •Hypoplastic Left Heart Syndrome •Transposition of the Great Arteries •Ventricular Septal Defect •Patent Ductus Arteriosus •Atrioventricular Septal Defect •Atrial Septal Defect •Ebstein’s Anomaly Discover each defect through the following interactions: •Toggle between normal, defect and repair views •View exterior and various interior heart planes / slices •Pan, rotate and zoom •Watch video animation with audio description of each defect and repair •See labels of key heart structures •Read a detailed description of the defect ABOUT CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER As one of the top three pediatric hospitals in the United States, Cincinnati Children’s Hospital Medical Center is dedicated to improving child health locally, nationally and internationally. We relentlessly focus on improving outcomes, enhancing patient and family experience, and providing the best value for every visitor. Heartpedia was developed by Cincinnati Children’s Heart Institute in collaboration with the Cincinnati Children’s Critical Care Media Lab. The Heart Institute is a worldwide leader in clinical cardiology care and research. We are transforming pediatric cardiac care with a first-of-its-kind bridge between research and clinical care. Our family resources and services are designed to ease the stress of hospital stays, clearly explain procedures, and provide comfort and hope in the face of a life-altering diagnosis.

Screenshots

Eponyms4 screens
Heartpedia3 screens

Verdict

The call

The clearest difference is price: Heartpedia at Free against Eponyms's $1.99. Heartpedia also leads on rating (4.3 vs 2.5) and ratings volume (34 vs 2). Eponyms's advantage is iOS requirement (10.0 vs 13.0). On review sentiment, update cadence, ads and in-app purchases 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

Heartpedia is free to download; Eponyms costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Heartpedia holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Heartpedia has 34 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Eponyms's written reviews are positive against 78% of Heartpedia's.

UpkeepUpdate frequency

Eponyms ships an update every 7 months, Heartpedia every 8 months. The most recent releases landed on October 31, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Eponyms versus Heartpedia: the parameters behind the verdict, then further details
ParameterEponymsHeartpedia
Price$1.99Free — better
Rating2.5 (2 ratings)4.3 (34 ratings) — better
Positive reviews72.7% of reviews77.8% of reviews — better
Number of ratings234 — better
Update frequencyEvery 7 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size18 MB17 MB
Age rating12+12+
DeveloperOssus GmbHCincinnati Children's Hospital Medical Center

Customer experience

Eponyms

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews22 reviews
Positive72.7%
Neutral4.5%
Negative22.7%

Heartpedia

All ratings34 ratings
Positive79.4%
Neutral2.9%
Negative17.6%
Written reviews27 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

In-app purchases

None

Eponyms

No in-app purchases

None

Heartpedia

No in-app purchases

Questions

Is Eponyms free?
Eponyms costs $1.99, with no in-app purchases.
Is Heartpedia free?
Heartpedia is free to download, with no in-app purchases.
Which has better reviews, Eponyms or Heartpedia?
Heartpedia is rated higher. Eponyms averages 2.5 out of 5 from 2 ratings, while Heartpedia averages 4.3 from 34 ratings.
Do Eponyms or Heartpedia have ads?
Neither Eponyms nor Heartpedia shows ads.
Which is updated more often, Eponyms or Heartpedia?
Eponyms ships an update every 7 months, and Heartpedia every 8 months. Most recently, Eponyms was updated on October 31, 2026 and Heartpedia on October 23, 2026.

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