# The Unit Circle App vs Touch Trigonometry

The clearest difference is in-app purchases: The Unit Circle App 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. The Unit Circle App asks for nothing beyond the download.

## The numbers

| Metric | The Unit Circle App | Touch Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 19 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Raymond Shane Jackson](https://appshunter.io/developer/1817087516) | [Aisatsu LLC](https://appshunter.io/developer/1874553323) |

## What reviewers say

### The Unit Circle App

[App page](https://appshunter.io/ios/app/the-unit-circle-app/id6752369385)

**Features:** macOS Compatibility

**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 The Unit Circle App free?

The Unit Circle App 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 The Unit Circle App or Touch Trigonometry have ads?

Neither The Unit Circle App 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.*