Comparison

SubtleSTEMI vs MCSAID

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

Head to head
About

SubtleSTEMI

This medical app calculates the formula from a specific research paper to help differentiate early repolarization from subtle anterior ST-segment elevation myocardial infarction. It provides a tool for medical professionals to aid in diagnosis.

Highlights
  • ECG formula implementation
  • Differentiates early repolarization
  • Identifies subtle anterior ST-segment elevation myocardial infarction
  • Diagnostic aid for medical professionals
Features
Read full description

Calculator implementing the formula from the paper, "Electrocardiographic differentiation of early repolarization from subtle anterior st-segment elevation myocardial infarction," by Smith, et al.

About

MCSAID

Features
Read full description

MCSAID is an educational application dedicated to the topic of mechanical cardiocirculatory support for patients with cardiogenic shock. A basic section introduces the definitions and classifications of cardiogenic shock as well as some of the common devices used for hemodynamic support in unstable patients. There is an algorithm for helping understand the decision process depending on key clinical variables such as cardiac output and PAPI. There are also several weaning and escalation algorithm. A calculator section is available for some common hemodynamic variables used in MCS decision-making and is available for quick-reference throughout the algorithm. MCSAID is an educational application for medical professionals and is not intended for making medical diagnoses. Medical decisions must be made by licensed professionals with the entire context of a patient’s medical history. If you are seeking a medical diagnosis, contact your physician and if you are experiencing a medical emergency, call your local emergency medical services.

Screenshots

SubtleSTEMI3 screens
MCSAID4 screens

Verdict

The call

The clearest difference is update cadence: SubtleSTEMI at every 8 months against MCSAID's every 40 months. SubtleSTEMI also leads on iOS requirement (10.0 vs 15.0). 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.

UpkeepUpdate frequency

SubtleSTEMI ships an update every 8 months, MCSAID every 40 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
SubtleSTEMI versus MCSAID: the parameters behind the verdict, then further details
ParameterSubtleSTEMIMCSAID
PriceFreeFree
Rating4.2 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 8 months — betterEvery 40 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size15 MB46 MB
Age rating17+17+
DeveloperMark NewcombCardiology Apps LLC

In-app purchases

None

SubtleSTEMI

No in-app purchases

None

MCSAID

No in-app purchases

Questions

Is SubtleSTEMI free?
SubtleSTEMI is free to download, with no in-app purchases.
Is MCSAID free?
MCSAID is free to download, with no in-app purchases.
Do SubtleSTEMI or MCSAID have ads?
Neither SubtleSTEMI nor MCSAID shows ads.
Which is updated more often, SubtleSTEMI or MCSAID?
SubtleSTEMI ships an update every 8 months, and MCSAID every 40 months. Most recently, SubtleSTEMI was updated on November 1, 2026 and MCSAID on November 3, 2026.

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