Comparison

palmEM AI vs WikEM

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

WikEM

This app provides a continuously updated wiki and database of emergency medicine knowledge for physicians. Access key information offline for rapid reference during daily practice. An in-app subscription unlocks advanced AI-powered questions, favorites, and history features.

Highlights
  • Emergency medicine knowledge database
  • Continuously updated content
  • Offline access
  • AI-powered questions (subscription)
  • Favorites and history (subscription)
Features
Read full description

WikEM is an online wiki and database of emergency medicine knowledge to assist physicians with their daily practice. The content is continuously updated from WikEM.org allowing for rapid reference of key information. The content is available offline with this mobile application. WikEM is intended for clinicians only and not directly for patients. In app subscription purchases: *The in-app purchase unlocks unlimited natural language questions using our AI and also favorites and history features • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable WikEM terms of use: wikem.org/wiki/WikEM:Terms_of_Use

Screenshots

palmEM AI4 screens
WikEM4 screens

Verdict

The call

The clearest difference is rating: WikEM at 4.8 against palmEM AI's 4.2. WikEM also leads on ratings volume (4.7K vs 72) and update cadence (every 5 days vs every 3 weeks). palmEM AI's advantage is review sentiment (82% vs 54%) and chart position (#121 vs unranked). On price, ads, in-app purchases and monetization model 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 and WikEM sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

WikEM holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: WikEM has 4.7K ratings behind it against 72, so its average is the more settled of the two. Written reviews complicate that: 82% of palmEM AI's written reviews are positive against 54% of WikEM's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

palmEM AI ships an update every 3 weeks, WikEM every 5 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 6 level
palmEM AI versus WikEM: the parameters behind the verdict, then further details
ParameterpalmEM AIWikEM
PriceFreeFree
Rating4.2 (72 ratings)4.8 (4.7K ratings) — better
Positive reviews82.5% of reviews — better54.1% of reviews
Number of ratings724.7K — better
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#121 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0.0 — better15.1
Further details — not scored
Size139 MB157 MB
Age rating17+17+
DeveloperpalmER Worldwide LLCOpenEM Foundation

Customer experience

palmEM AI

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

WikEM

All ratings4,693 ratings
Positive96.1%
Neutral1.3%
Negative2.5%
Written reviews133 reviews
Positive54.1%
Neutral7.5%
Negative38.3%

User reviews

palmEM AI

From 72 App Store ratings

What we love

  • 🚀 Quick and efficient reference tool for ED scenarios
  • 👍 Easy-to-navigate interface with logical organization
  • 📚 Comprehensive content covering emergency medicine topics
  • 🎯 Concise, clinically-relevant information without unnecessary fluff
  • 💊 Useful features like Broselow tape and drug dosages

Room to improve

  • ⚠️ Outdated protocols (ACLS, PALS)
  • 🐛 Subscription model confusion and access issues
  • 📱 Compatibility problems with newer iOS versions
  • 🔄 Lack of regular updates over extended periods
  • ❌ Note-taking feature removed or non-functional

WikEM

From 4.7K App Store ratings

What we love

  • 💡 Useful and concise information
  • 🚀 Great resource for quick reference
  • 👍 Helpful for medical professionals

Room to improve

  • 🐛 Frequent login and account issues
  • 🐛 App crashes and database loading problems
  • 🐛 Compatibility issues with newer devices
  • 🔋 High battery consumption

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

WikEM

Reported bugs

4 issues
  • Login screen freezes
  • Incompatible with older devices
  • Broken hyperlinks and charts
  • Search function not working as expected

Requested features

4 requests
  • Dark mode support
  • Ability to save favorites and customize the app
  • Improved search functionality
  • Regular content updates

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
10 purchases

WikEM

Subscriptions2
  • WikEM AI Search$1.991 Month
  • Premium Features$4.991 Year
One-time8
  • Personal Notes$0.99
  • Favorites and Lists$5.99
  • History and Favorites$9.99
Show 5 more
  • WikEM Russian Content$29.99
  • WikEM Italian Content$29.99
  • WikEM Polish Content$29.99
  • WikEM Hindi Content$29.99
  • WikEM Turkish Content$29.99

Questions

Is palmEM AI free?
palmEM AI is free to download, with in-app purchases available.
Is WikEM free?
WikEM is free to download, with in-app purchases available.
Which has better reviews, palmEM AI or WikEM?
WikEM is rated higher. palmEM AI averages 4.2 out of 5 from 72 ratings, while WikEM averages 4.8 from 4.7K ratings.
Do palmEM AI or WikEM have ads?
Neither palmEM AI nor WikEM shows ads.
Which is updated more often, palmEM AI or WikEM?
palmEM AI ships an update every 3 weeks, and WikEM every 5 days. Most recently, palmEM AI was updated on September 21, 2026 and WikEM on September 23, 2026.

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