# QT ECG vs SmartHeart Pro

The clearest difference is rating: QT ECG at 3.4 against SmartHeart Pro's 3.0. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QT ECG holds the better App Store score, 3.4 against 3.0. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | QT ECG | SmartHeart Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/qt-ecg/id1457528665/reviews)** | [3.0 (7 ratings)](https://appshunter.io/ios/app/smartheart-pro/id1664477706/reviews) |
| Number of ratings | 5 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 58 MB | 44 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [QT Medical, Inc.](https://appshunter.io/developer/1074095246) | [SHL Telemedicine Ltd.](https://appshunter.io/developer/456576629) |

## What reviewers say

### QT ECG

[App page](https://appshunter.io/ios/app/qt-ecg/id1457528665)

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

**In-app purchases:** none


### SmartHeart Pro

[App page](https://appshunter.io/ios/app/smartheart-pro/id1664477706)

This application works with a specific device to capture real-time 12-lead ECGs and rhythm strips. The data can then be reviewed by a medical professional for clinical decision-making. The device is cleared for sale in the USA and European countries.

**Highlights:** Real-time 12-lead ECG capture, Rhythm strip recording, ECG review by medical professionals, Works with SmartHeart device, Cleared for sale in USA and Europe

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QT ECG free?

QT ECG is free to download, with no in-app purchases.

### Is SmartHeart Pro free?

SmartHeart Pro is free to download, with no in-app purchases.

### Which has better reviews, QT ECG or SmartHeart Pro?

QT ECG is rated higher. QT ECG averages 3.4 out of 5 from 5 ratings, while SmartHeart Pro averages 3.0 from 7 ratings.

### Do QT ECG or SmartHeart Pro have ads?

Neither QT ECG nor SmartHeart Pro shows ads.

### Which is updated more often, QT ECG or SmartHeart Pro?

QT ECG ships an update every 2 months, and SmartHeart Pro every 2 months. Most recently, QT ECG was updated on September 10, 2026 and SmartHeart Pro on June 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*