Comparison

WikEM vs Pacemaker

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

Head to head
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

About

Pacemaker

This application uses advanced deep learning to identify the manufacturer of pacemakers and defibrillators from X-ray images. It currently supports major brands like Boston Scientific, Biotronik, Medtronic, and St. Jude.

Highlights
  • AI-powered device identification
  • X-ray image analysis
  • Pacemaker and defibrillator detection
  • Supports major manufacturers
  • Deep-learning model
Features
Read full description

Pacemaker-ID uses a deep-learning model to determine the manufacturer of a given pacemaker and defibrillator in an x-ray image. Currently, we support detection of: - Boston Scientific - Biotronik - Medtronic - St. Jude

Screenshots

WikEM4 screens
Pacemaker2 screens

Verdict

The call

The clearest difference is rating: WikEM at 4.8 against Pacemaker's 3.5. WikEM also leads on ratings volume (4.8K vs 62) and review sentiment (54% vs 38%). Pacemaker's advantage is in-app purchases (none vs 10) and iOS requirement (11.1 vs 15.1). 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. WikEM sells 10 in-app purchases, starting at $1.99 per month. Pacemaker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

WikEM holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: WikEM has 4.8K ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 54% of WikEM's written reviews are positive against 38% of Pacemaker's.

UpkeepUpdate frequency

WikEM ships an update every 5 days, Pacemaker every 4 days. The most recent releases landed on November 13, 2026 and November 11, 2026 respectively.

Scorecard6 real differences · 4 level
WikEM versus Pacemaker: the parameters behind the verdict, then further details
ParameterWikEMPacemaker
PriceFreeFree
Rating4.8 (4.8K ratings) — better3.5 (62 ratings)
Positive reviews54.1% of reviews — better38.5% of reviews
Number of ratings4.8K — better62
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.111.1 — better
Further details — not scored
Size167 MB20 MB
Age rating17+4+
DeveloperOpenEM FoundationBread Co

Customer experience

WikEM

All ratings4,755 ratings
Positive96.1%
Neutral1.3%
Negative2.5%
Written reviews133 reviews
Positive54.1%
Neutral7.5%
Negative38.3%

Pacemaker

All ratings62 ratings
Positive59.7%
Neutral6.5%
Negative33.9%
Written reviews26 reviews
Positive38.5%
Neutral7.7%
Negative53.8%

Bugs and requests

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

Pacemaker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Pacemaker

No in-app purchases

Questions

Is WikEM free?
WikEM is free to download, with in-app purchases available.
Is Pacemaker free?
Pacemaker is free to download, with no in-app purchases.
Which has better reviews, WikEM or Pacemaker?
WikEM is rated higher. WikEM averages 4.8 out of 5 from 4.8K ratings, while Pacemaker averages 3.5 from 62 ratings.
Do WikEM or Pacemaker have ads?
Neither WikEM nor Pacemaker shows ads.
Which is updated more often, WikEM or Pacemaker?
WikEM ships an update every 5 days, and Pacemaker every 4 days. Most recently, WikEM was updated on November 13, 2026 and Pacemaker on November 11, 2026.

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