boostEM vs MobilEM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
boostEM
A medical calculator for emergency physicians, offering over 60 clinical decision rules and rapid medication doses. Includes tools like a pupillometer and visual acuity chart, functioning offline without ads.
- 60+ clinical decision rule calculators
- Rapid medication doses
- Pupillometer
- Estimated gestational age calculator
- Visual acuity chart
- Offline functionality
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boostEM is a medical calculator designed from the ground-up for emergency physicians. The app is designed to be the fastest tool in your pocket for clinical decision rules in the emergency room. • Score calculators for over 60 clinical decision rules • Rapid medication doses • Tools including pupillometer, estimated gestational age, visual acuity (Snellen chart), and optokinetic drum • No internet connection required • No ads Examples of clinical decision rules included: • Critical Care: CURB-65, PESI, PORT, Ranson's, Well's, ABG calculator • Cardiology: HEART, CHADS2Vasc, Brugada, Sgarbossa, TIMI • Trauma: Canadian rules, NEXUS, PECARN, Parkland, GCS • Pediatrics: bilirubin tool for neonatal jaundice, Centor, respiratory score • Neurology: NIH stroke scale, ABCD2, MMSE • Toxicology: osmolal gap, modified Rumack-Matthews If you like this app, please give it a good review and spread the word! Please email us with suggestions. Note: This application is designed for medical professionals only. It is not for use by the lay public or non-specialists. In addition, dosing of medications is designed as a guide and should be verified prior to administration. This medication guide is not designed for patients with organ failure, immunocompromised states, other significant comorbidities, or extremes of age. Information provided in this app does not supercede appropriate clinical judgement.
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.
Screenshots
Verdict
The clearest difference is review sentiment: boostEM at 100% against MobilEM's 45%. boostEM also leads on rating (4.6 vs 3.6) and in-app purchases (none vs 12). MobilEM's advantage is chart position (#38 vs unranked) and ratings volume (39 vs 9). On price, ads 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. boostEM asks for nothing beyond the download.
boostEM holds the better App Store score, 4.6 against 3.6. Both are backed by a comparable volume of ratings — 9 and 39 respectively. Written reviews point the same way: 100% of boostEM's written reviews are positive against 45% of MobilEM's.
boostEM ships an update every 3 weeks, MobilEM every 2 months. The most recent releases landed on June 6, 2026 and September 25, 2026 respectively.
| Parameter | boostEM | MobilEM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) — better | 3.6 (39 ratings) |
| Positive reviews | 100.0% of reviews — better | 45.0% of reviews |
| Number of ratings | 9 | 39 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #38 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 205 MB |
| Age rating | 17+ | 17+ |
| Developer | Dirkes Medical, PLLC | Emergency Medicine Residents' Association |
Customer experience
boostEM
MobilEM
In-app purchases
boostEM
No 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









