iPacemaker Device vs EchoRef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Point-of-care ultrasound (POCUS)
- Transthoracic echocardiography (TTE)
- Transesophageal echocardiography (TEE)
- Cardiac dimensions and valve measurements
- Hemodynamic and ultrasound calculations
- Interventional procedure lessons
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Echocardiography and point-of-care ultrasound organized for the bedside. EchoRef is a comprehensive echocardiography and ultrasound reference for physicians, nurses, advanced practice clinicians, sonographers, medical students, and other healthcare learners. Review TEE, TTE, and POCUS videos, check cardiac measurements and diagnostic criteria, evaluate native and prosthetic valves, and perform commonly used ultrasound and hemodynamic calculations, all in one focused reference. FEATURES • Educational video library covering 2D and 3D TEE, interventional echocardiography, mechanical circulatory support, and clinical cases • POCUS instruction for cardiac, lung, abdominal, vascular, and peripheral nerve block examinations • Cardiac anatomy measurements and reference values for chamber size, ventricular function, diastology, and vascular structures • Native valve assessment for aortic, mitral, tricuspid, and pulmonic stenosis and regurgitation • Prosthetic valve reference for surgical valves, TAVR, and prosthesis evaluation • Ultrasound and hemodynamic calculators for valve area, cardiac output, ventricular function, filling pressures, vascular resistance, shunts, fluid responsiveness, and more • Cardiac equations, hemodynamic reference values, and ultrasound physics • Clinical protocols, focused examination guidance, findings atlas, and reporting documentation • Acquisition guidance, measurement tips, common pitfalls, and related clinical content • Global search, favorites, related links, and personal notes EchoRef connects ultrasound physics, image acquisition, echocardiographic interpretation, and bedside decision-making. Whether you are learning standard views, reviewing an unfamiliar finding, evaluating valve disease, or checking a calculation, the app makes relevant information easy to find. Created by Rishi Kumar, MD, FACC (“RK.MD”), an academic adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist committed to free, open-access medical education. Learn more at https://rk.md EchoRef is intended for educational and informational purposes only. It does not provide medical advice and is not a substitute for professional judgment, diagnosis, or treatment. Clinical findings and calculations must be independently verified and interpreted in the context of the individual patient. Seek guidance from a qualified healthcare professional regarding any medical condition. Do not disregard or delay professional medical advice because of information provided by this app.
Screenshots
Verdict
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 4.6). iPacemaker Device's advantage is update cadence (every 4 days vs every 2 months) and chart position (#65 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
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.
EchoRef holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 372 and 1.4K respectively. Written reviews point the same way: 28% of iPacemaker Device's written reviews are positive against 100% of EchoRef's.
iPacemaker Device ships an update every 4 days, EchoRef every 2 months. Both last shipped on October 29, 2026.
| Parameter | iPacemaker Device | EchoRef |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (372 ratings) | 4.9 (1.4K ratings) — better |
| Positive reviews | 27.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 372 | 1.4K — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #65 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 218 MB | 104 MB |
| Age rating | 4+ | 17+ |
| Developer | IPACEMAKER S.R.L. | Rishi Kumar |
Customer experience
iPacemaker Device
EchoRef
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 moreShow fewer
- 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 moreShow fewer
- Remove disclaimer that opens every time
EchoRef
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iPacemaker Device
- 1 month subscription REGULAR$9.991 Month
- 3 Months Subscription$49.993 Months
- 12 months subscription REGULAR7 Days trial$49.991 Year
Show 4 moreShow fewer
- 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
EchoRef
No in-app purchases
Questions
Is iPacemaker Device free?
Is EchoRef free?
Which has better reviews, iPacemaker Device or EchoRef?
Do iPacemaker Device or EchoRef have ads?
Which is updated more often, iPacemaker Device or EchoRef?
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