Comparison

ECGRef vs Carnegie Hill Cannabis

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

Head to head
About

ECGRef

An educational reference for interpreting electrocardiograms, this app covers electrophysiology, rhythm recognition, and common patterns. It aims to assist clinicians and students in accurate bedside ECG analysis.

Highlights
  • Electrophysiology concepts
  • Rhythm recognition
  • Clinically relevant patterns
  • Bedside ECG analysis support
  • Educational reference
Features
Read full description

ECG interpretation, organized for the bedside. ECGRef is a comprehensive electrocardiogram reference for physicians, nurses, advanced practice clinicians, medical students, and other healthcare learners. Use a structured interpretation workflow, review rhythm patterns, explore ECG leads, check diagnostic criteria, and perform commonly used ECG calculations all in one focused reference. FEATURES • Step-by-step ECG interpretation workflow • Rhythm recognition and clinically relevant pattern review • Interactive frontal-plane and precordial lead explorer • Searchable library of ECG terminology and concepts • ECG calculators for heart rate, QTc, cardiac axis, ventricular hypertrophy, bundle branch block, wide-complex tachycardia, and more • Clinical risk tools • Bedside takeaways, common pitfalls, and “do not miss” findings • Favorites, global search, related content, and personal notes ECGRef connects core electrophysiology with practical ECG analysis. Whether you are learning a systematic approach, reviewing an unfamiliar rhythm, 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 ECGRef 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.

About

Carnegie Hill Cannabis

Features
Read full description

Browse our full menu of products. Search by category, brand, and strain. Submit orders for pickup or delivery. Track your rewards and make rewards redemptions in-store or with online orders. Live chat allows you to get your questions answered quickly by our staff. Explore our full product selection: - Flower: pre-roll, infused pre-roll - Concentrates: Live resin, rosin, shatter, crumble, sauce, budder, distillate - Edibles: Baked goods, treats, candy, drinks, capsules - Topicals: Lubricants, creams

Screenshots

ECGRef4 screens
Carnegie Hill Cannabis4 screens

Verdict

The call

The clearest difference is iOS requirement: Carnegie Hill Cannabis at 16.6 against ECGRef's 26.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
ECGRef versus Carnegie Hill Cannabis: the parameters behind the verdict, then further details
ParameterECGRefCarnegie Hill Cannabis
PriceFreeFree
Rating4.9 (31 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings31 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.6 — better
Further details — not scored
Size13 MB8 MB
Age rating17+17+
DeveloperRishi KumarCarnegie Hill Cannabis Co

In-app purchases

None

ECGRef

No in-app purchases

None

Carnegie Hill Cannabis

No in-app purchases

Questions

Is ECGRef free?
ECGRef is free to download, with no in-app purchases.
Is Carnegie Hill Cannabis free?
Carnegie Hill Cannabis is free to download, with no in-app purchases.
Do ECGRef or Carnegie Hill Cannabis have ads?
Neither ECGRef nor Carnegie Hill Cannabis shows ads.

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