Comparison

QT ECG vs ECG

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

Head to head
About

QT ECG

Record and transmit high-quality 12-lead ECGs for physician interpretation. This app connects to compatible smart devices via Bluetooth to display and send ECG data to a secure cloud. An account with the developer is required for use.

Highlights
  • Hospital-quality 12-lead ECG recording
  • Bluetooth connectivity to smart devices
  • HIPAA/GDPR-compliant cloud transmission
  • Physician interpretation ready
  • High-quality ECG display
Read full description

Hospital-quality 12-lead ECG designed for personal use QT ECG™ is designed for use by a patient or a healthcare worker to record electrocardiogram (ECG) and transmit to a HIPAA and/or GDPR-compliant cloud for physician interpretation. QT ECG™ connects with compatible smartmobile devices via Bluetooth, and displays high quality full 12-lead ECG and transmits to the cloud. You will need an account with QT Medical (www.qtmedical.com) to use this app.

About

ECG

Features
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"ECG - Corrected QT Interval: Electrocardiogram Rhythm App” is designed to help health professional to assess the QT interval from an electrocardiogram (ECG) result. The QT interval in electrocardiogram (ECG) is representing ventricles depolarization and repolarization. Why should you choose "ECG - Corrected QT Interval: Electrocardiogram Rhythm App"? - Simple and very easy to use. - Accurate and precise calculation. - There are three formulas (Bazzet, Fredericia, and Framingham) to calculate corrected QT interval (QTc) - It is totally free. Download now! The QT interval is affected by heart rates, so we need to calculate the corrected QT interval (QTc). The corrected QT interval (QTc) will estimate the QT interval at a heart rate of 60 beats per minute. Prolonged corrected QT interval (QTc) is associated with ventricular arrhythmias, especially Torsades de Pointes. "ECG - Corrected QT Interval: Electrocardiogram Rhythm App" app is a practical medical calculator to calculate the corrected QT interval (QTc). In "ECG - Corrected QT Interval: Electrocardiogram Rhythm App", the user need to input the QT interval (in millisecond) and heart rate (in beats per minute) to calculate the corrected QT interval (QTc). "ECG - Corrected QT Interval: Electrocardiogram Rhythm App" have three available formulas, namely Bazzet, Fredericia, and Framingham. Disclaimer: all calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for clinical judgment. Calculations in this “ECG - Corrected QT Interval: Electrocardiogram Rhythm App” app might be different with your local practice. Consult to expert doctor whenever necessary.

Screenshots

QT ECG3 screens
ECG3 screens

Verdict

The call

The clearest difference is ads: QT ECG at none against ECG's shown. ECG's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, 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

QT ECG ships an update every 2 months, ECG fortnightly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
QT ECG versus ECG: the parameters behind the verdict, then further details
ParameterQT ECGECG
PriceFreeFree
Rating3.4 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size58 MB37 MB
Age rating4+12+
DeveloperQT Medical, Inc.Putu Angga Risky Raharja

In-app purchases

None

QT ECG

No in-app purchases

None

ECG

No in-app purchases

Questions

Is QT ECG free?
QT ECG is free to download, with no in-app purchases.
Is ECG free?
ECG is free to download, with no in-app purchases.
Do QT ECG or ECG have ads?
ECG shows ads; QT ECG does not.
Which is updated more often, QT ECG or ECG?
QT ECG ships an update every 2 months, and ECG fortnightly. Most recently, QT ECG was updated on October 15, 2026 and ECG on October 7, 2026.

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