# Multi vs QT ECG

The clearest difference is iOS requirement: Multi at 8.2 against QT ECG's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Multi ships an update every 3 months, QT ECG every 2 months. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Multi | QT ECG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/qt-ecg/id1457528665/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 11 MB | 58 MB |
| Requires iOS | **8.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sarah Richter](https://appshunter.io/developer/595771311) | [QT Medical, Inc.](https://appshunter.io/developer/1074095246) |

## What reviewers say

### Multi

[App page](https://appshunter.io/ios/app/multi-ecg/id595941736)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Multi free?

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

### Is QT ECG free?

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

### Do Multi or QT ECG have ads?

Neither Multi nor QT ECG shows ads.

### Which is updated more often, Multi or QT ECG?

Multi ships an update every 3 months, and QT ECG every 2 months. Most recently, Multi was updated on September 13, 2026 and QT ECG on September 10, 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.*