Comparison

iPacemaker Device vs EchoRef

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

Head to head
About

iPacemaker Device

Access a vast database of implantable cardiac devices, including pacemakers and defibrillators. Get detailed technical specifications, connector information, advisories, and MRI compatibility checks. Compare devices and explore algorithms to aid in selection and management.

Highlights
  • Extensive device database
  • Detailed technical datasheets
  • Connector and tool information
  • Advisories and safety warnings
  • Multibrand MRI compatibility evaluation
  • Algorithm descriptions
  • Side-by-side device comparison
Features
Currently charting
Read full description

iPacemaker Device is an independent, multibrand technical and educational reference for electrophysiologists, hospital device technicians, and medical-device company specialists working with cardiac implantable electronic devices. Explore information on more than 7,000 pacemakers, ICDs, CRT devices, cardiac monitors, and leads from 60 manufacturers. TECHNICAL DATA Review device specifications, physical characteristics, dimensions, diagnostic features, and programming parameters. CONNECTOR HEADERS Examine connector layouts, port types, lead configurations, and documented tool specifications. Find device records with compatible connector-header characteristics and explore CSP configurations. MANUFACTURER ADVISORIES Access technical notes and safety communications included in the database and organized by product. MRI DOCUMENTATION Explore manufacturer-published MRI conditions for hypothetical device-and-lead combinations. This educational reference does not determine MRI eligibility for an individual patient or implanted system. ALGORITHMS Review more than 70 manufacturer-specific algorithms organized by manufacturer and technical or clinical scope. ANALYTICS Explore descriptive charts based on information contained in the dataset, including device longevity and survival data. Analytics do not predict the performance of an individual implanted device or recommend device selection. COMPARE Review specifications, programming options, longevity charts, and survival curves across multiple device records without generating treatment or device recommendations. Some content and features require a subscription. iPacemaker Device is intended solely for professional education and technical reference. It is not intended for diagnosis, patient-specific assessment, treatment selection, device programming, MRI eligibility, or emergency use. Always consult current manufacturer documentation and applicable clinical and institutional protocols. iPacemaker is independent and is not affiliated with, sponsored by, or endorsed by any cardiac-device manufacturer. Company names, product names, and trademarks belong to their respective owners.

About

EchoRef

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

Highlights
  • Point-of-care ultrasound (POCUS)
  • Transthoracic echocardiography (TTE)
  • Transesophageal echocardiography (TEE)
  • Cardiac dimensions and valve measurements
  • Hemodynamic and ultrasound calculations
  • Interventional procedure lessons
Features
Read full description

EchoRef is a free iOS ultrasonography educational reference covering point-of-care ultrasound (POCUS), transthoracic echocardiography (TTE), and transesophageal echocardiography (TEE). Additionally, it contains cardiac dimensions, native/prosthetic valve measurements, hemodynamic/ultrasound calculations, and lessons ranging from interventional procedures to mechanical circulatory support. This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition, and never disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md

Screenshots

iPacemaker Device4 screens
EchoRef4 screens

Verdict

The call

The clearest difference is review sentiment: EchoRef at 100% against iPacemaker Device's 28%. EchoRef also leads on in-app purchases (none vs 7) and rating (4.9 vs 4.7). iPacemaker Device's advantage is update cadence (every 4 days vs every 2 months) and chart position (#62 vs unranked). 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. iPacemaker Device sells 7 in-app purchases, starting at $9.99 per month. EchoRef asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

EchoRef holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 365 and 1.4K respectively. Written reviews point the same way: 28% of iPacemaker Device's written reviews are positive against 100% of EchoRef's.

UpkeepUpdate frequency

iPacemaker Device ships an update every 4 days, EchoRef every 2 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

Scorecard8 real differences · 3 level
iPacemaker Device versus EchoRef: the parameters behind the verdict, then further details
ParameteriPacemaker DeviceEchoRef
PriceFreeFree
Rating4.7 (365 ratings)4.9 (1.4K ratings) — better
Positive reviews27.9% of reviews100.0% of reviews — better
Number of ratings3651.4K — better
Update frequencyEvery 4 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#62 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better26.0
Further details — not scored
Size218 MB105 MB
Age rating4+17+
DeveloperIPACEMAKER S.R.L.Rishi Kumar

Customer experience

iPacemaker Device

All ratings365 ratings
Positive92.1%
Neutral1.6%
Negative6.3%
Written reviews43 reviews
Positive27.9%
Neutral9.3%
Negative62.8%

EchoRef

All ratings1,373 ratings
Positive97.2%
Neutral1.4%
Negative1.4%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

iPacemaker Device

Reported bugs

18 issues
  • App keeps refreshing, cannot open
  • App cannot be opened
  • App enters interface and stops, cannot open
  • App has not worked for years
  • App hasn't worked for days
Show 13 more
  • App requires subscription after purchase
  • App requires subscription after update
  • App is not working
  • App is useless without subscription
  • App freezes and needs reboot
  • App seems to hang when opening
  • App does not open
  • App cannot be used unless you pay a subscription
  • App changed to subscription model
  • App not updated
  • App not updated for newer devices
  • Some newer devices cannot be found
  • Some leads labeled MRI conditional are found to be non-MRI

Requested features

6 requests
  • More equitable evaluation of company representation
  • Fix app hanging/slow opening
  • Update for newer devices
  • Grandfather in lifetime members
  • Refund original charge for lifetime members
Show 1 more
  • Remove disclaimer that opens every time

EchoRef

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

iPacemaker Device

Subscriptions7
  • 1 month subscription REGULAR$9.991 Month
  • 3 Months Subscription$49.993 Months
  • 12 months subscription REGULAR7 Days trial$49.991 Year
Show 4 more
  • 6 Months Subscription$59.996 Months
  • 12 Months Subscription$99.991 Year
  • 12 months subscription PREMIUM$109.991 Year
  • 12 months subscription PREMIUM7 Days trial$109.991 Year
None

EchoRef

No in-app purchases

Questions

Is iPacemaker Device free?
iPacemaker Device is free to download, with in-app purchases available.
Is EchoRef free?
EchoRef is free to download, with no in-app purchases.
Which has better reviews, iPacemaker Device or EchoRef?
EchoRef is rated higher. iPacemaker Device averages 4.7 out of 5 from 365 ratings, while EchoRef averages 4.9 from 1.4K ratings.
Do iPacemaker Device or EchoRef have ads?
Neither iPacemaker Device nor EchoRef shows ads.
Which is updated more often, iPacemaker Device or EchoRef?
iPacemaker Device ships an update every 4 days, and EchoRef every 2 months. Most recently, iPacemaker Device was updated on October 10, 2026 and EchoRef on October 11, 2026.

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