# Quantum Computing vs GlassBox Dev

The clearest difference is in-app purchases: GlassBox Dev at none against Quantum Computing's 1. Quantum Computing's advantage is device support (4 vs 1) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Quantum Computing sells 1 one-off in-app purchase. GlassBox Dev asks for nothing beyond the download.

## The numbers

| Metric | Quantum Computing | GlassBox Dev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Everyware Apps](https://appshunter.io/developer/718530491) | [Franky Fernandez](https://appshunter.io/developer/1842293810) |

## What reviewers say

### Quantum Computing

[App page](https://appshunter.io/ios/app/quantum-computing/id6523414226)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features | $3.99 | one-time |


### GlassBox Dev

[App page](https://appshunter.io/ios/app/glassbox-dev/id6786942147)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Computing free?

Quantum Computing is free to download, with in-app purchases available.

### Is GlassBox Dev free?

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

### Do Quantum Computing or GlassBox Dev have ads?

Neither Quantum Computing nor GlassBox Dev 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.*