# qubeZERO by SKILLQUBE vs OEI Sim Pro

The clearest difference is update cadence: qubeZERO by SKILLQUBE at every 2 months against OEI Sim Pro's every 23 months. OEI Sim Pro's advantage is iOS requirement (14.1 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

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

qubeZERO by SKILLQUBE ships an update every 2 months, OEI Sim Pro every 23 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | qubeZERO by SKILLQUBE | OEI Sim Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/qubezero-by-skillqube/id1548009097/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 23 months |
| Monetization | Free | — |
| Size | 140 MB | 112 MB |
| Requires iOS | 17.5 | **14.1** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SKILLQUBE GmbH](https://appshunter.io/developer/1390516943) | [Operative Experience Inc](https://appshunter.io/developer/1309239394) |

## What reviewers say

### 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


### OEI Sim Pro

[App page](https://appshunter.io/ios/app/oei-sim-pro/id1576212260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is qubeZERO by SKILLQUBE free?

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

### Is OEI Sim Pro free?

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

### Do qubeZERO by SKILLQUBE or OEI Sim Pro have ads?

Neither qubeZERO by SKILLQUBE nor OEI Sim Pro shows ads.

### Which is updated more often, qubeZERO by SKILLQUBE or OEI Sim Pro?

qubeZERO by SKILLQUBE ships an update every 2 months, and OEI Sim Pro every 23 months. Most recently, qubeZERO by SKILLQUBE was updated on October 7, 2026 and OEI Sim Pro on October 11, 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.*