# Speed Trigonometry vs AP Physics Practice Pro

The clearest difference is price: Speed Trigonometry at Free against AP Physics Practice Pro's $0.49. AP Physics Practice Pro's advantage is iOS requirement (13.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Speed Trigonometry is free to download; AP Physics Practice Pro costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Speed Trigonometry | AP Physics Practice Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 2 MB | 20 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nick Petroni](https://appshunter.io/developer/1597208168) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## 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


### AP Physics Practice Pro

[App page](https://appshunter.io/ios/app/ap-physics-practice-pro/id6756355105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Speed Trigonometry free?

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

### Is AP Physics Practice Pro free?

AP Physics Practice Pro costs $0.49, with no in-app purchases.

### Do Speed Trigonometry or AP Physics Practice Pro have ads?

Neither Speed Trigonometry nor AP Physics Practice Pro 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.*