# Speed Trigonometry vs Trigonometry Toolkit by CS

The clearest difference is in-app purchases: Speed Trigonometry at none against Trigonometry Toolkit by CS's 1. Speed Trigonometry also leads on device support and iOS requirement (18.5 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. Speed Trigonometry asks for nothing beyond the download.

## The numbers

| Metric | Speed Trigonometry | Trigonometry Toolkit by CS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Nick Petroni](https://appshunter.io/developer/1597208168) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Speed Trigonometry

[App page](https://appshunter.io/ios/app/speed-trigonometry/id6747187585)

This app helps students quickly memorize the unit circle. It quizzes users on sine, cosine, tangent, and inverse trigonometric values for key angles. Developed by students for students, it's ideal for precalculus learners.

**Highlights:** Unit circle memorization, Quizzes on trig values, Focus on key angles, Sine, cosine, tangent, inverse values, Student-developed

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

**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 Speed Trigonometry free?

Speed Trigonometry 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.*