# ElectronOrbital vs QM Simulator

The clearest difference is price: QM Simulator at Free against ElectronOrbital's $0.99. ElectronOrbital's advantage is iOS requirement (14.4 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

QM Simulator is free to download; ElectronOrbital costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ElectronOrbital | QM Simulator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 1 MB | 29 MB |
| Requires iOS | **14.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Akatsu](https://appshunter.io/developer/1530946331) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### ElectronOrbital

[App page](https://appshunter.io/ios/app/electronorbital/id1602247689)

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

**In-app purchases:** none


### QM Simulator

[App page](https://appshunter.io/ios/app/qm-simulator-quantum-physics/id6809480339)

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

**In-app purchases:** none


## Frequently asked questions

### Is ElectronOrbital free?

ElectronOrbital costs $0.99, with no in-app purchases.

### Is QM Simulator free?

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

### Do ElectronOrbital or QM Simulator have ads?

Neither ElectronOrbital nor QM Simulator shows ads.

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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.*