# OEI Sim Pro vs qubeMC by SKILLQUBE

The clearest difference is update cadence: qubeMC 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.

OEI Sim Pro ships an update every 23 months, qubeMC by SKILLQUBE every 2 months. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OEI Sim Pro | qubeMC by SKILLQUBE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 months** |
| Size | 112 MB | 158 MB |
| Requires iOS | **14.1** | 17.5 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Operative Experience Inc](https://appshunter.io/developer/1309239394) | [SKILLQUBE GmbH](https://appshunter.io/developer/1390516943) |

## What reviewers say

### OEI Sim Pro

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

**Features:** macOS Compatibility

**In-app purchases:** none


### qubeMC by SKILLQUBE

[App page](https://appshunter.io/ios/app/qubemc-by-skillqube/id1576836231)

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

**In-app purchases:** none


## Frequently asked questions

### Is OEI Sim Pro free?

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

### Is qubeMC by SKILLQUBE free?

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

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

Neither OEI Sim Pro nor qubeMC by SKILLQUBE shows ads.

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

OEI Sim Pro ships an update every 23 months, and qubeMC by SKILLQUBE every 2 months. Most recently, OEI Sim Pro was updated on September 8, 2026 and qubeMC by SKILLQUBE on September 21, 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.*