ECG Corner vs AB Blood
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECG Corner
This app provides a vast library of ECG cases for medical professionals and students. It features cases categorized by difficulty and includes diagnoses, rationales, and references to aid learning.
- Comprehensive ECG case collection
- Cases segmented by proficiency level
- Question, diagnosis, and rationale format
- Hyperlinked references and supplementary materials
- Content reviewed by board-certified specialists
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ECG Corner offers a comprehensive collection of high-yield ECGs tailored for medical students, residents, cardiology fellows and physician assistants. Contents are segmented into three proficiency levels: Beginner, Intermediate, and Advanced, with an additional mixed-level option that combines all levels for a well-rounded practice experience. Cases are presented in the format of a question, diagnosis and rationale, accompanied by hyperlinked references and supplementary materials. Authors anticipate the addition of hundreds of more cases with time. The primary author, Ying Chi Yang, and co-author, Rezwan Munshi, are certified internists in American Board of Internal Medicine and currently cardiology fellows at Trinity Health-MercyOne North Iowa, USA. All the contents in the app were reviewed and revised by board-certified cardiac electrophysiologists: Michael Giudici (Ret. Professor, Cardiovascular medicine at the University of Iowa, USA) and Ketan Koranne, MD (FACC, FHRS).
AB Blood
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Discover a unique program for studying blood group compatibility! With the help of our program, you will: • Learn which blood groups are compatible with each other, and which group can be replaced in emergency situations. • Understand what will happen to the body when incompatible blood is transfused. • Get acquainted with lists of products that help thin or thicken the blood. Why is this important? Each person's blood group is innate and unchanged throughout life. The main blood classification systems: • The ABO system (four blood groups) • The Rh factor (positive or negative) Maintaining compatibility according to these systems is critically important for safe blood transfusion. • People with blood group I are universal donors. • People with blood group IV are universal recipients. Remember: according to modern standards, blood can only be transfused from a donor with an identical group. Don't miss the opportunity to understand the basics of vital information!
Screenshots
Verdict
The clearest difference is price: ECG Corner at Free against AB Blood's $2.99. ECG Corner also leads on iOS requirement (12.0 vs 16.6). On update cadence, 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
ECG Corner is free to download; AB Blood costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | ECG Corner | AB Blood |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 56 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | Ying Chi Yang | Alexander Berkovich |
In-app purchases
ECG Corner
No in-app purchases
AB Blood
No in-app purchases
Questions
Is ECG Corner free?
Is AB Blood free?
Do ECG Corner or AB Blood have ads?
Which is updated more often, ECG Corner or AB Blood?
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