# Quantum Cats Dance vs Simplex

The clearest difference is in-app purchases: Quantum Cats Dance at none against Simplex's 1. Quantum Cats Dance also leads on ads (none vs shown) and iOS requirement (18.2 vs 26.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Quantum Cats Dance | Simplex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Daily | — |
| Size | 4 MB | 5 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Eiki Sato](https://appshunter.io/developer/1018719847) | [Fernando Castillo](https://appshunter.io/developer/1787896193) |

## What reviewers say

### Quantum Cats Dance

[App page](https://appshunter.io/ios/app/quantum-cats-dance/id6757285319)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simplex

[App page](https://appshunter.io/ios/app/simplex-linear-optimization/id6783993836)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simplex Premium | $1.99 | one-time |


## Frequently asked questions

### Is Quantum Cats Dance free?

Quantum Cats Dance is free to download, with no in-app purchases.

### Is Simplex free?

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

### Do Quantum Cats Dance or Simplex have ads?

Simplex shows ads; Quantum Cats Dance does not.

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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.*