MobilEM vs CorePendium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MobilEM
Provides fast, evidence-based clinical guidance for emergency medicine professionals. Access updated recommendations on a wide range of topics, including antibiotics, toxicology, and critical care. Offers free content, individual purchases, and an all-access subscription.
- Evidence-based recommendations
- Antibiotic and toxicology guidance
- EKG and orthopedic injury protocols
- Airway and pediatric emergency management
- Critical care medication information
- Fast navigation and universal search
- Bookmarking and note-taking
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One of our greatest privileges at EMRA is offering resources that can help make every clinical shift easier, through evidence-based guidance in your pocket. Get updated recommendations for antibiotics, toxicology, EKGs, orthopedic injuries, airway management, pediatric emergencies, splinting, critical care medications, and more. Enjoy free content, purchase our resources a la carte, or subscribe to our all-access pass (best value!) to take full advantage of these key features: • Fast, easy navigation • Powerful universal search • Bookmarking • Note-taking fields • Continual updates that require no action on your part We hope you find MobilEM to be useful; check back often, as we will be adding new content on a regular basis. Please note: EMRA is committed to your privacy. See our policy at https://www.emra.org/about-emra/privacy-policy/. Terms of Use: This and all other digital reference content, including all content offered under subscription is intended for a single user on devices belonging to that user. Use of this app running on a common device shared by an organization is disallowed. For further information on terms of use and EULA please see: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app is intended for the US healthcare market.
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.
- 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
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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
Verdict
The clearest difference is rating: CorePendium at 4.9 against MobilEM's 3.6. CorePendium also leads on in-app purchases (none vs 12) and review sentiment (67% vs 45%). MobilEM's advantage is chart position (#46 vs unranked). On price, ads, monetization model 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
Both are free to download. MobilEM sells 12 in-app purchases, starting at $1.99 per year. CorePendium asks for nothing beyond the download.
CorePendium holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: CorePendium has 1.4K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 45% of MobilEM's written reviews are positive against 67% of CorePendium's.
MobilEM ships an update every 2 months, CorePendium monthly. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.
| Parameter | MobilEM | CorePendium |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (39 ratings) | 4.9 (1.4K ratings) — better |
| Positive reviews | 45.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 39 | 1.4K — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | #46 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 205 MB | 49 MB |
| Age rating | 17+ | 17+ |
| Developer | Emergency Medicine Residents' Association | EM:RAP, Inc. |
Customer experience
MobilEM
CorePendium
Bugs and requests
MobilEM
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
MobilEM
- Ventilator Mgmt. Subscription$1.991 Year
- Pediatric Qwic$1.991 Year
- MobilEm Airway Management$4.991 Year
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- Trauma Guide$4.991 Year
- Antibiotic Guide Subscription$9.991 Year
- MobilEm Ortho Guide$9.991 Year
- MobilEM Tox Guide$9.991 Year
- PressorDex$9.991 Year
- EKG Guide Subscription$9.991 Year
- Pain Management$9.991 Year
- PEM Fundamentals Subscription$9.991 Year
- MobilEm All Access Pass1 Month trial$39.991 Year
CorePendium
No in-app purchases








