# Quantum Space Club vs Touch Trigonometry

The clearest difference is in-app purchases: Quantum Space Club at none against Touch Trigonometry's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Touch Trigonometry sells 1 one-off in-app purchase. Quantum Space Club asks for nothing beyond the download.

## The numbers

| Metric | Quantum Space Club | Touch Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 90 MB | 48 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Calvanta](https://appshunter.io/developer/1787083423) | [Aisatsu LLC](https://appshunter.io/developer/1874553323) |

## What reviewers say

### Quantum Space Club

[App page](https://appshunter.io/ios/app/quantum-space-club/id6757724021)

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

**In-app purchases:** none


### Touch Trigonometry

[App page](https://appshunter.io/ios/app/touch-trigonometry/id6758712159)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Touch Trigonometry | $4.99 | one-time |


## Frequently asked questions

### Is Quantum Space Club free?

Quantum Space Club is free to download, with no in-app purchases.

### Is Touch Trigonometry free?

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

### Do Quantum Space Club or Touch Trigonometry have ads?

Neither Quantum Space Club nor Touch Trigonometry 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.*