Comparison

ECG Corner vs AB Blood

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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).

About

AB Blood

Features
Read full description

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

ECG Corner4 screens
AB Blood4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
ECG Corner versus AB Blood: the parameters behind the verdict, then further details
ParameterECG CornerAB Blood
PriceFree — better$2.99
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size56 MB5 MB
Age rating12+4+
DeveloperYing Chi YangAlexander Berkovich

In-app purchases

None

ECG Corner

No in-app purchases

None

AB Blood

No in-app purchases

Questions

Is ECG Corner free?
ECG Corner is free to download, with no in-app purchases.
Is AB Blood free?
AB Blood costs $2.99, with no in-app purchases.
Do ECG Corner or AB Blood have ads?
Neither ECG Corner nor AB Blood shows ads.
Which is updated more often, ECG Corner or AB Blood?
ECG Corner ships an update every 3 months, and AB Blood every 3 months. Most recently, ECG Corner was updated on October 16, 2026 and AB Blood on October 25, 2026.

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