# Trigonometry Unit Circle vs Trigonometry Toolkit by CS

The clearest difference is in-app purchases: Trigonometry Unit Circle at none against Trigonometry Toolkit by CS's 1. Trigonometry Unit Circle also leads on device support and iOS requirement (14.1 vs 26.0). On price there is nothing between them.

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

## The numbers

| Metric | Trigonometry Unit Circle | Trigonometry Toolkit by CS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Size | 6 MB | 10 MB |
| Requires iOS | **14.1** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Titov](https://appshunter.io/developer/1185566141) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Trigonometry Unit Circle

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

**In-app purchases:** none


### Trigonometry Toolkit by CS

[App page](https://appshunter.io/ios/app/trigonometry-toolkit-by-cs/id6760443966)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features + Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Trigonometry Unit Circle free?

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

### Is Trigonometry Toolkit by CS free?

Trigonometry Toolkit by CS 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.*