# CTGi vs qubeZERO by SKILLQUBE

The clearest difference is rating: CTGi at 5.0 against qubeZERO by SKILLQUBE's 3.0. CTGi also leads on iOS requirement (13.0 vs 17.5). On price, ratings volume, update cadence and ads there is nothing between them.

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

CTGi holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

CTGi ships an update every 3 months, qubeZERO by SKILLQUBE every 2 months. The most recent releases landed on September 1, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CTGi | qubeZERO by SKILLQUBE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ctgi/id1342875195/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/qubezero-by-skillqube/id1548009097/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 23 MB | 140 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | iPad | iPad |
| Age rating | 17+ | 4+ |
| Developer | [iSimulate Pty Ltd](https://appshunter.io/developer/494486341) | [SKILLQUBE GmbH](https://appshunter.io/developer/1390516943) |

## What reviewers say

### CTGi

[App page](https://appshunter.io/ios/app/ctgi/id1342875195)

This app simulates a fetal heart rate monitor for obstetric training. It offers a realistic and economical platform for facilitators and students to learn and practice. Utilizing everyday technology, it provides an advanced simulation experience.

**Highlights:** Realistic fetal heart rate monitoring simulation, Economical training solution, Ideal for in-situ training, Advanced obstetric simulation, Built with everyday technology

**Features:** Vision Pro support

**In-app purchases:** none


### qubeZERO by SKILLQUBE

[App page](https://appshunter.io/ios/app/qubezero-by-skillqube/id1548009097)

This app simulates a patient monitor with ECG, CPR feedback, and defibrillator capabilities. It allows for realistic adjustment of vital signs during training sessions, replicating real-life scenarios for enhanced learning.

**Highlights:** Patient monitor simulation, 12-lead ECG with pacer, Real-time CPR feedback, AED/manual defibrillator, Realistic vital sign adjustment, Lifelike training scenarios

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CTGi free?

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

### Is qubeZERO by SKILLQUBE free?

qubeZERO by SKILLQUBE is free to download, with no in-app purchases.

### Which has better reviews, CTGi or qubeZERO by SKILLQUBE?

CTGi is rated higher. CTGi averages 5.0 out of 5 from 2 ratings, while qubeZERO by SKILLQUBE averages 3.0 from 2 ratings.

### Do CTGi or qubeZERO by SKILLQUBE have ads?

Neither CTGi nor qubeZERO by SKILLQUBE shows ads.

### Which is updated more often, CTGi or qubeZERO by SKILLQUBE?

CTGi ships an update every 3 months, and qubeZERO by SKILLQUBE every 2 months. Most recently, CTGi was updated on September 1, 2026 and qubeZERO by SKILLQUBE on September 6, 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.*