Comparison

palmEM AI vs boostEM

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

Head to head
About

palmEM AI

This AI-powered emergency medicine guide provides rapid, evidence-based clinical decision support for medical professionals. It offers tailored guidance for specific patient scenarios and a comprehensive knowledge base, accessible offline.

Highlights
  • AI clinical decision support
  • Plain language medical queries
  • Evidence-based workups and management
  • Offline core content access
  • Medication quick reference
  • Procedure step-by-step guidance
  • Clinical decision rules
Features
Currently charting
Read full description

palmEM: Emergency Medicine Quick Reference, Offline Guide, Point-of-Care Reference and AI Clinical Decision Support The most comprehensive EM quick reference ever created, powered by advanced AI. The #1 medical app in 80+ countries. Apple's "What's Hot" and "New and Noteworthy." WHY palmEM? AI that actually understands medicine • Your specific patient scenario. Your exact question. Ask anything in plain language, just like you would ask a colleague, and get tailored clinical guidance in seconds. Not generic overviews or academic deep dives. Real answers for real bedside medicine. The answers you need when seconds count • From routine to rare, common to zebras - get evidence-based clinical decision support in seconds. Skip the scrolling. Skip the page flipping. Get straight to the answer you need. Built by emergency medicine physicians • Clinician-made, clinician-used, continuously updated and refined for real practice. Zero industry influence. And we never sell your data. Works the way you work • Intuitive interface. Dark mode. Minimal taps to answers. Fast, focused, and built for the ED. Offline when you need it • Core reference content is accessible offline, so you are covered even without signal. YOUR COMPLETE EM KNOWLEDGE BASE • Evidence-based workups and management • Differentials, red flags, and next steps • Medication quick reference • Procedures and step-by-step guidance • Pediatric emergencies • Clinical decision rules (HEART, PERC, Wells, Canadian C-Spine, and more) • High-yield content without the fluff TRUSTED BY CLINICIANS WORLDWIDE "I've dumped my $300/year app for palmEM. Cheaper, prettier, faster." —EMtutorials.com "There is so much in here I don't know where to begin. Could I enthuse about this any more?" —Life in the Fast Lane "An excellent, rapid point-of-care reference perfectly designed for the time crunch of the emergency department." —iMedicalApps "The relentless search for an EM app that does it all inevitably leads to palmEM." —Emergency Medicine News PERFECT FOR Emergency Medicine • Urgent Care • Critical Care • Internal Medicine • Family Medicine • Primary Care • EMS • Nursing • Paramedics • NPs • PAs • Medical Students • Residents • Fellows • Attendings TRY RISK-FREE FOR 7 DAYS Start your no-obligation trial. Experience AI-powered clinical support that helps you move faster and think sharper. Download now. Your next shift will thank you. --- DISCLAIMER: This app is intended for medical professionals. It is strictly for educational purposes and is not a substitute for professional medical advice, diagnosis or treatment. Consult with a recognized medical professional before making decisions based on information included in this application. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.palm-er.com/site/privacy-policy/

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.

Screenshots

palmEM AI4 screens
boostEM4 screens

Verdict

The call

The clearest difference is in-app purchases: boostEM at none against palmEM AI's 6. boostEM also leads on rating (4.6 vs 4.2) and review sentiment (100% vs 82%). palmEM AI's advantage is chart position (#103 vs unranked) and ratings volume (72 vs 9). On price, update cadence, 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. palmEM AI sells 5 in-app purchases, starting at $9.99 per month. boostEM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

boostEM holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: palmEM AI has 72 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 82% of palmEM AI's written reviews are positive against 100% of boostEM's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 26, 2026 and June 6, 2026 respectively.

Scorecard7 real differences · 4 level
palmEM AI versus boostEM: the parameters behind the verdict, then further details
ParameterpalmEM AIboostEM
PriceFreeFree
Rating4.2 (72 ratings)4.6 (9 ratings) — better
Positive reviews82.5% of reviews100.0% of reviews — better
Number of ratings72 — better9
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#103 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0.07.1 — better
Further details — not scored
Size139 MB20 MB
Age rating17+17+
DeveloperpalmER Worldwide LLCDirkes Medical, PLLC

Customer experience

palmEM AI

All ratings72 ratings
Positive79.2%
Neutral5.6%
Negative15.3%
Written reviews97 reviews
Positive82.5%
Neutral4.1%
Negative13.4%

boostEM

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

Bugs and requests

palmEM AI

Reported bugs

8 issues
  • App crashes on latest iOS updates
  • Subscription verification fails for previous owners
  • Access denied despite full subscription status
  • App does not load on iPad
  • Note section disappeared after update
Show 3 more
  • Pages unable to open
  • Blank content display
  • Restore purchases feature not working properly

Requested features

8 requests
  • Add toxidromes section
  • Photo support in note-taking function
  • Swipe-back gesture for faster navigation
  • Procedure images or video links
  • Dark mode option
Show 3 more
  • Restore and improve note-taking functionality
  • More detailed procedure guides
  • Enhanced search capabilities

boostEM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

palmEM AI

Subscriptions5
  • Monthly Subscription$9.991 Month
  • Monthly Subscription | Unlimited AI$9.991 Month
  • Monthly Subscription$19.991 Month
Show 2 more
  • Monthly Subscription$29.991 Month
  • Annual Subscription | Unlimited AI7 Days trial2 variants$99.991 Year
None

boostEM

No in-app purchases

Questions

Is palmEM AI free?
palmEM AI is free to download, with in-app purchases available.
Is boostEM free?
boostEM is free to download, with no in-app purchases.
Which has better reviews, palmEM AI or boostEM?
boostEM is rated higher. palmEM AI averages 4.2 out of 5 from 72 ratings, while boostEM averages 4.6 from 9 ratings.
Do palmEM AI or boostEM have ads?
Neither palmEM AI nor boostEM shows ads.
Which is updated more often, palmEM AI or boostEM?
palmEM AI ships an update every 3 weeks, and boostEM every 3 weeks. Most recently, palmEM AI was updated on September 26, 2026 and boostEM on June 6, 2026.

Other comparisons