# qubeMX800 by SKILLQUBE vs ECG Vector

The clearest difference is in-app purchases: qubeMX800 by SKILLQUBE at none against ECG Vector's 1. ECG Vector's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ECG Vector sells 1 one-off in-app purchase. qubeMX800 by SKILLQUBE asks for nothing beyond the download.

qubeMX800 by SKILLQUBE ships an update every 2 months, ECG Vector weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | qubeMX800 by SKILLQUBE | ECG Vector |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 148 MB | 12 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SKILLQUBE GmbH](https://appshunter.io/developer/1390516943) | [Takashi Nakano](https://appshunter.io/developer/6780341829) |

## What reviewers say

### qubeMX800 by SKILLQUBE

[App page](https://appshunter.io/ios/app/qubemx800-by-skillqube/id6472734674)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Vector

[App page](https://appshunter.io/ios/app/ecg-vector/id6798066790)

This educational simulator allows users to explore the relationship between the heart's electrical activity and ECG waveforms. It offers interactive workspaces to visualize cardiac processes, ion channel functions, and simulate cardiac rhythms. Users can learn and test their knowledge through quizzes, with both free and paid features available.

**Highlights:** 3D cardiac activation visualization, Ion channel and ECG correlation, Ventricular action potential simulation, Cardiac rhythm adjustment and exploration, ECG pattern identification and quizzes, Cross-platform compatibility (Mac, iPhone, iPad)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Vector Pro | $6.99 | one-time |


## Frequently asked questions

### Is qubeMX800 by SKILLQUBE free?

qubeMX800 by SKILLQUBE is free to download, with no in-app purchases.

### Is ECG Vector free?

ECG Vector is free to download, with in-app purchases available.

### Do qubeMX800 by SKILLQUBE or ECG Vector have ads?

Neither qubeMX800 by SKILLQUBE nor ECG Vector shows ads.

### Which is updated more often, qubeMX800 by SKILLQUBE or ECG Vector?

qubeMX800 by SKILLQUBE ships an update every 2 months, and ECG Vector weekly. Most recently, qubeMX800 by SKILLQUBE was updated on October 24, 2026 and ECG Vector on October 25, 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.*