# Quantum Computing vs Cathay

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

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

## The numbers

| Metric | Quantum Computing | Cathay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cathay/id6752777114/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | — | Free |
| Size | 2 MB | 93 MB |
| Requires iOS | 17.0 | 17 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Everyware Apps](https://appshunter.io/developer/718530491) | [Spenser Sembrat](https://appshunter.io/developer/1403894179) |

## 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 |


### Cathay

[App page](https://appshunter.io/ios/app/cathay/id6752777114)

Explore a fantasy world with an interactive map, detailed glossary, and concept art. This companion app enhances your journey through the "Few and Far Between" novel by providing in-depth lore, character details, and visual aids.

**Highlights:** Interactive world map, Detailed glossary of characters and lore, Concept art gallery, Character journey tracing, Day/night map views, Spoiler control for glossary

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Computing free?

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

### Is Cathay free?

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

### Do Quantum Computing or Cathay have ads?

Neither Quantum Computing nor Cathay 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.*