Comparison

CorePendium vs One Vendor

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

Head to head
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.

About

One Vendor

Features
Read full description

Say goodbye to complicated software. LifeBank One Vendor app offers a simple, intuitive interface that makes managing your medical products a breeze. Track inventory, manage orders, and collaborate with your team seamlessly.

Screenshots

CorePendium4 screens
One Vendor3 screens

Verdict

The call

CorePendium and One Vendor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

CorePendium ships an update monthly, One Vendor fortnightly. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

ScorecardNo meaningful differences
CorePendium versus One Vendor: the parameters behind the verdict, then further details
ParameterCorePendiumOne Vendor
PriceFreeFree
Rating4.9 (1.5K ratings) — better—
Positive reviews61.5% of reviews—
Number of ratings1.5K — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size49 MB35 MB
Age rating17+17+
DeveloperEM:RAP, Inc.LIFEBANK TECHNOLOGY AND LOGISTICS SERVICES LIMITED

Bugs and 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)

One Vendor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CorePendium

No in-app purchases

None

One Vendor

No in-app purchases

Questions

Is CorePendium free?
CorePendium is free to download, with no in-app purchases.
Is One Vendor free?
One Vendor is free to download, with no in-app purchases.
Do CorePendium or One Vendor have ads?
Neither CorePendium nor One Vendor shows ads.
Which is updated more often, CorePendium or One Vendor?
CorePendium ships an update monthly, and One Vendor fortnightly. Most recently, CorePendium was updated on October 15, 2026 and One Vendor on September 30, 2026.

Other comparisons