Comparison

EMRA PressorDex vs CorePendium

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

Head to head
About

EMRA PressorDex

A comprehensive guide for critically ill patients, offering concise tools for selecting the right pressors, vasoactive drugs, and continuous infusions. Developed by emergency medicine physicians, it aids in choosing appropriate medications and dosages during high-pressure situations.

Highlights
  • Therapeutic guide for pressors
  • Vasoactive drug information
  • Continuous infusion protocols
  • Medication dosing regimens
  • Critically ill patient treatment
Features
Read full description

Newly revised and updated for 2015, PressorDex is a comprehensive therapeutic guide to the myriad of pressors, vasoactive drugs, continuous infusions, and other medications needed to treat the critically ill patient. Written by emergency medicine physicians for emergency medicine physicians, this indispensable app gives you concise tools for choosing the right medication and dosing regimen every time, even during the busiest of shifts.

About

CorePendium

This app provides a comprehensive, continuously updated, and peer-reviewed clinical reference for Emergency and Urgent Care Medicine. It features integrated multimedia, offline access, intuitive navigation, and medical calculators, making it an essential tool for medical professionals on the go.

Highlights
  • Expert-backed, continuously revised content
  • Integrated media library (ECGs, X-rays, videos, audio)
  • Offline access to all content
  • Intuitive navigation with Rapid Access and Deep Dive sections
  • Integrated medical calculators
  • Links to EM:RAP knowledge base content
Features
Read full description

The textbook is dead. Long live CorePendium! CorePendium is the first truly comprehensive, continuously updated, peer-reviewed, multimedia clinical reference for Emergency and Urgent Care Medicine. Download the CorePendium App and bring the best clinical reference text with you anywhere in the world, regardless of connectivity. With your EM:RAP account, the CorePendium App allows you to join over 65,000 members of the CorePendium community. The CorePendium App gives you… • EXPERT-BACKED CONTENT — Written, edited, and peer-reviewed by a team of over 800 leading academics and practitioners, every CorePendium chapter is continuously revised by leading experts in emergency medicine and beyond. • INTEGRATED MEDIA — Comprehensive learning requires more than just words. Dive into our constantly growing media library of ECG’s and X-rays, as well as expertly-produced videos and audio segments. Look, listen, and learn, all without leaving the CorePendium App. • OFFLINE MODE — With new chapters being added and updated frequently to reflect the latest literature and practice guidelines, the CorePendium App makes sure you always have the newest information at your fingertips, 24 hours a day. The app looks for updates to its offline database every time you’re active online, so that you have the answers you need, no matter what. Do you want access to our skillfully-shot procedure videos and expert commentary away from a wireless connection? You can choose to download our audio and video content to ensure access when you need it most. • INTUITIVE NAVIGATION — Designed to prioritize all of the crucial information and media needed for the critical patient, CorePendium’s ‹Rapid Access› section gives you the quick insights you’ll need at the bedside. If you are looking for more background, the ‹Deep Dive› section provides all the information you’ll need to know about a topic. Sleek chapter sidebars, internal searches, search filters, and curated tabs ensure you can find what you need when you need it. • MEDICAL CALCULATORS — Get all of the commonly used clinical scoring and decision tools you need, with important interpretation data compiled by some of medicine’s foremost experts just a thumb slide away. Our calculators are also integrated with the content that uses it most. • PART OF THE EM:RAP KNOWLEDGE BASE — CorePendium is just one piece of the EM:RAP universe. The CorePendium App takes full advantage of its special connection to the most listened to programs in Emergency and Urgent Care Medicine by integrating that content. With continuously updated links to video, conference content, and podcasts you’ll always get the most cutting-edge answers. • INTERNATIONAL — CorePendium is for the whole world. We have an international advisory board that aims to address emergency care for patients and practitioners in all of the various environments where it is practiced. • EDITORIAL INDEPENDENCE — CorePendium is written by clinicians for clinicians, without the support of advertising or industry. With the CorePendium App you just get the best information, current and expertly reviewed. • THE REFERENCE OF RECORD — Accessed millions of times, CorePendium is already the reference textbook used by residency training programs and frontline clinicians the world over.

Screenshots

EMRA PressorDex3 screens
CorePendium4 screens

Verdict

The call

The clearest difference is price: CorePendium at Free against EMRA PressorDex's $16.99. CorePendium also leads on rating (4.9 vs 2.8) and update cadence (monthly vs every 11 months). EMRA PressorDex's advantage is iOS requirement (8.0 vs 15.1). On review sentiment, ads, in-app purchases and device support 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

CorePendium is free to download; EMRA PressorDex costs $16.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CorePendium holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: CorePendium has 1.5K ratings behind it against 13, so its average is the more settled of the two. Written reviews complicate that: 68% of EMRA PressorDex's written reviews are positive against 62% of CorePendium's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

EMRA PressorDex ships an update every 11 months, CorePendium monthly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
EMRA PressorDex versus CorePendium: the parameters behind the verdict, then further details
ParameterEMRA PressorDexCorePendium
Price$16.99Free — better
Rating2.8 (13 ratings)4.9 (1.5K ratings) — better
Positive reviews68.4% of reviews — better61.5% of reviews
Number of ratings131.5K — better
Update frequencyEvery 11 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.1
Further details — not scored
Size20 MB49 MB
Age rating17+17+
DeveloperEmergency Medicine Residents' AssociationEM:RAP, Inc.

Customer experience

EMRA PressorDex

All ratings13 ratings
Positive30.8%
Neutral23.1%
Negative46.2%
Written reviews19 reviews
Positive68.4%
Neutral10.5%
Negative21.1%

CorePendium

All ratings1,534 ratings
Positive98.1%
Neutral1.0%
Negative0.9%
Written reviews13 reviews
Positive61.5%
Neutral7.7%
Negative30.8%

Bugs and requests

EMRA PressorDex

Not enough reviews yet to summarise bugs or requests.

CorePendium

Reported bugs

2 issues
  • Crashes on launch
  • Compatibility issues with older devices

Requested features

3 requests
  • iPad version
  • Ability to track progress and bookmark content
  • Video playback controls (speed, rewind)

In-app purchases

None

EMRA PressorDex

No in-app purchases

None

CorePendium

No in-app purchases

Questions

Is EMRA PressorDex free?
EMRA PressorDex costs $16.99, with no in-app purchases.
Is CorePendium free?
CorePendium is free to download, with no in-app purchases.
Which has better reviews, EMRA PressorDex or CorePendium?
CorePendium is rated higher. EMRA PressorDex averages 2.8 out of 5 from 13 ratings, while CorePendium averages 4.9 from 1.5K ratings.
Do EMRA PressorDex or CorePendium have ads?
Neither EMRA PressorDex nor CorePendium shows ads.
Which is updated more often, EMRA PressorDex or CorePendium?
EMRA PressorDex ships an update every 11 months, and CorePendium monthly. Most recently, EMRA PressorDex was updated on October 16, 2026 and CorePendium on October 19, 2026.

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