Comparison

APSA Pediatric Surgery Library vs POTTER

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

Head to head
About

APSA Pediatric Surgery Library

This app provides comprehensive pediatric surgery resources, including up-to-date clinical information, images, and videos. It also features a powerful search tool for medical literature, allowing quick access to abstracts, citations, and full-text articles.

Highlights
  • Pediatric Surgery NaT resource
  • Quarterly content updates
  • High-resolution images and videos
  • Advanced medical literature search
  • Links to PubMed articles
  • Custom notes and highlighting
  • Visual exploration of literature
Features
Read full description

APSA Pediatric Surgery Library contains: PEDIATRIC SURGERY NaT From presentation to procedures to long term outcomes, the Pediatric Surgery NaT resource keeps the current general surgical care of children at your fingertips. Designed for both practicing and in-training pediatric surgeons, the Pediatric Surgery NaT is updated quarterly so you’ll know what strategies, techniques and procedures are being used right now. It is written for pediatric surgeons by pediatric surgeons and contains learning objectives, images, videos and links to MOC CME and the medical literature. Participate in the NaT community of practice today by downloading this app to your mobile device or tablet so you can provide better patient care with fast access anytime, anywhere. Prime PubMed Quickly search journal articles from the PubMed database on your smartphone and tablet. Results contain abstracts, citations, and links to available full text articles that can be read on device and shared with classmates and colleagues. Additionally, Prime PubMed contains Grapherence®, an exclusive way to visually explore interrelationships and relevance in the medical literature. Features of the Pediatric Surgery Library include: • Quick-read, highly organized clinical modules and learning objectives • High-resolution images and videos • Advanced searches of the medical literature • Links to relevant PubMed articles • Full text search helps find topics fast • Custom notes and highlighting within entries • "Favorites" for bookmarking important topics Editors: Ron Hirschl, MD; David Powell, MD; John HT Waldhausen, MD Publisher: American Pediatric Surgical Association (APSA) Powered by: Unbound Medicine, Inc. How It Works: --------------------- • Install the app on your device. • Open the app, enter your APSA Pediatric Surgery Library username and password, then tap “Login.” • The latest content will be downloaded to your devices over your wireless connection.

About

POTTER

This medical tool provides an accurate and user-friendly way to calculate emergency surgery risks. It's based on a machine learning algorithm derived from extensive research.

Highlights
  • Emergency surgery risk calculation
  • Machine learning algorithm
  • User-friendly interface
  • Based on published research
  • Highly accurate
Features
Read full description

POTTER is a highly accurate and user-friendly emergency surgery risk calculator developed by George Velmahos (MD, PhD), Haytham Kaafarani (MD, MPH), Dimitris Bertsimas (PhD), and Jack Dunn (PhD). This Machine Learning Algorithm is the digital manifestation of the research found in the October 2018 Annals of Surgery publication, “Surgical Risk Is Not Linear: Derivation and Validation of a Novel, User-friendly, and Machine Learning-based Predictive OpTimal Trees in Emergency Surgery Risk (POTTER) Calculator.”

Screenshots

APSA Pediatric Surgery Library4 screens
POTTER1 screens

Verdict

The call

The clearest difference is review sentiment: APSA Pediatric Surgery Library at 100% against POTTER's 50%. APSA Pediatric Surgery Library also leads on rating (4.9 vs 4.4) and ratings volume (204 vs 5). POTTER's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.2 vs 15.0). On price, 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

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

ReceptionRating · Positive reviews · Number of ratings

APSA Pediatric Surgery Library holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: APSA Pediatric Surgery Library has 204 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of APSA Pediatric Surgery Library's written reviews are positive against 50% of POTTER's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
APSA Pediatric Surgery Library versus POTTER: the parameters behind the verdict, then further details
ParameterAPSA Pediatric Surgery LibraryPOTTER
PriceFreeFree
Rating4.9 (204 ratings) — better4.4 (5 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings204 — better5
Update frequencyEvery 8 monthsEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.011.2 — better
Further details — not scored
Size14 MB8 MB
Age rating17+4+
DeveloperUnbound Medicine, Inc.Interpretable AI LLC

Customer experience

APSA Pediatric Surgery Library

All ratings204 ratings
Positive98.0%
Neutral0.5%
Negative1.5%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

POTTER

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

APSA Pediatric Surgery Library

No in-app purchases

None

POTTER

No in-app purchases

Questions

Is APSA Pediatric Surgery Library free?
APSA Pediatric Surgery Library is free to download, with no in-app purchases.
Is POTTER free?
POTTER is free to download, with no in-app purchases.
Which has better reviews, APSA Pediatric Surgery Library or POTTER?
APSA Pediatric Surgery Library is rated higher. APSA Pediatric Surgery Library averages 4.9 out of 5 from 204 ratings, while POTTER averages 4.4 from 5 ratings.
Do APSA Pediatric Surgery Library or POTTER have ads?
Neither APSA Pediatric Surgery Library nor POTTER shows ads.
Which is updated more often, APSA Pediatric Surgery Library or POTTER?
APSA Pediatric Surgery Library ships an update every 8 months, and POTTER every 8 months. Most recently, APSA Pediatric Surgery Library was updated on October 15, 2026 and POTTER on September 29, 2026.

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