# Trigonometry Unit Circle vs Touch Trigonometry

The clearest difference is in-app purchases: Trigonometry Unit Circle at none against Touch Trigonometry's 1. Trigonometry Unit Circle also leads on device support (5 vs 2). On price and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Trigonometry Unit Circle | Touch Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 6 MB | 48 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Titov](https://appshunter.io/developer/1185566141) | [Aisatsu LLC](https://appshunter.io/developer/1874553323) |

## What reviewers say

### Trigonometry Unit Circle

[App page](https://appshunter.io/ios/app/trigonometry-unit-circle/id1565825615)

**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 Trigonometry Unit Circle free?

Trigonometry Unit Circle is free to download, with no in-app purchases.

### Is Touch Trigonometry free?

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

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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.*