Comparison

boostEM vs MobilEM

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

Head to head
About

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.

Highlights
  • 60+ clinical decision rule calculators
  • Rapid medication doses
  • Pupillometer
  • Estimated gestational age calculator
  • Visual acuity chart
  • Offline functionality
Read full description

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.

About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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

boostEM4 screens
MobilEM4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MobilEM sells 12 in-app purchases, starting at $1.99 per year. boostEM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 3 level
boostEM versus MobilEM: the parameters behind the verdict, then further details
ParameterboostEMMobilEM
PriceFreeFree
Rating4.6 (9 ratings) — better3.6 (39 ratings)
Positive reviews100.0% of reviews — better45.0% of reviews
Number of ratings939 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#38 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.1 — better15.0
Further details — not scored
Size20 MB205 MB
Age rating17+17+
DeveloperDirkes Medical, PLLCEmergency Medicine Residents' Association

Customer experience

boostEM

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MobilEM

All ratings39 ratings
Positive61.5%
Neutral10.3%
Negative28.2%
Written reviews20 reviews
Positive45.0%
Neutral15.0%
Negative40.0%

In-app purchases

None

boostEM

No in-app purchases

12 purchases

MobilEM

Subscriptions12
  • Ventilator Mgmt. Subscription$1.991 Year
  • Pediatric Qwic$1.991 Year
  • MobilEm Airway Management$4.991 Year
Show 9 more
  • 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

Questions

Is boostEM free?
boostEM is free to download, with no in-app purchases.
Is MobilEM free?
MobilEM is free to download, with in-app purchases available.
Which has better reviews, boostEM or MobilEM?
boostEM is rated higher. boostEM averages 4.6 out of 5 from 9 ratings, while MobilEM averages 3.6 from 39 ratings.
Do boostEM or MobilEM have ads?
Neither boostEM nor MobilEM shows ads.
Which is updated more often, boostEM or MobilEM?
boostEM ships an update every 3 weeks, and MobilEM every 2 months. Most recently, boostEM was updated on June 6, 2026 and MobilEM on September 25, 2026.

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