# Thopaz+ Simulator vs QTc

The clearest difference is update cadence: QTc at every 4 months against Thopaz+ Simulator's every 85 months. QTc also leads on ratings volume (51 vs 1). Thopaz+ Simulator's advantage is rating (5.0 vs 4.7) and iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Thopaz+ Simulator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: QTc has 51 ratings behind it against 1, so its average is the more settled of the two.

Thopaz+ Simulator ships an update every 85 months, QTc every 4 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thopaz+ Simulator | QTc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thopaz-plus-simulator/id1152870054/reviews)** | [4.7 (51 ratings)](https://appshunter.io/ios/app/qtc-calculator/id1354439139/reviews) |
| Number of ratings | 1 | **51** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 85 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 505 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Medela AG](https://appshunter.io/developer/456613156) | [Marian Stiehler](https://appshunter.io/developer/1354439138) |

## What reviewers say

### Thopaz+ Simulator

[App page](https://appshunter.io/ios/app/thopaz-plus-simulator/id1152870054)

This medical simulation app allows users to familiarize themselves with the advanced functions of a chest drainage therapy device. It simulates functional checks, warnings, alarms, menu settings, and drainage histories, providing a hands-on learning experience for healthcare professionals.

**Highlights:** Simulate functional checks, Simulate visual and audio warnings/alarms, Simulate catheter checks, Change menu settings, Simulate fluid drainage, View drainage and event histories

**In-app purchases:** none


### QTc

[App page](https://appshunter.io/ios/app/qtc-calculator/id1354439139)

This medical app calculates QTc using nine different formulas. It allows users to input heart rate or RR interval and QT interval length for quick results. An Apple Watch app is also included for convenient access.

**Highlights:** Nine QTc calculation formulas, Input heart rate or RR interval, Input QT interval length, Apple Watch app integration, No personal data collection, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Thopaz+ Simulator free?

Thopaz+ Simulator is free to download, with no in-app purchases.

### Is QTc free?

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

### Which has better reviews, Thopaz+ Simulator or QTc?

Thopaz+ Simulator is rated higher. Thopaz+ Simulator averages 5.0 out of 5 from 1 ratings, while QTc averages 4.7 from 51 ratings.

### Do Thopaz+ Simulator or QTc have ads?

Neither Thopaz+ Simulator nor QTc shows ads.

### Which is updated more often, Thopaz+ Simulator or QTc?

Thopaz+ Simulator ships an update every 85 months, and QTc every 4 months. Most recently, Thopaz+ Simulator was updated on October 8, 2026 and QTc on October 24, 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.*