# Speed Trigonometry vs CircleMap

The clearest difference is update cadence: CircleMap at daily against Speed Trigonometry's every 14 months. CircleMap also leads on iOS requirement (16.6 vs 18.5). Speed Trigonometry's advantage is rating (4.8 vs 4.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Speed Trigonometry holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Speed Trigonometry ships an update every 14 months, CircleMap daily. The most recent releases landed on September 20, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Speed Trigonometry | CircleMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/circlemap/id6749683203/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Daily** |
| Monetization | Free | Free |
| Size | 2 MB | 29 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nick Petroni](https://appshunter.io/developer/1597208168) | [Supparsorn Wantarnagon](https://appshunter.io/developer/1800705021) |

## 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


### CircleMap

[App page](https://appshunter.io/ios/app/circlemap/id6749683203)

This app makes learning the unit circle and polar graphs interactive and fun. It offers customizable quizzes for angles, radians, and coordinates, along with a mode to visualize polar equations in both polar and Cartesian systems. It's designed to build confidence and speed in trigonometry and calculus.

**Highlights:** Interactive unit circle quizzes, Customizable angle and radian practice, Polar equation input and graphing, Dual polar and Cartesian visualization, Real-time graph exploration, Instant feedback and score tracking

**In-app purchases:** none


## Frequently asked questions

### Is Speed Trigonometry free?

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

### Is CircleMap free?

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

### Which has better reviews, Speed Trigonometry or CircleMap?

Speed Trigonometry is rated higher. Speed Trigonometry averages 4.8 out of 5 from 5 ratings, while CircleMap averages 4.5 from 2 ratings.

### Do Speed Trigonometry or CircleMap have ads?

Neither Speed Trigonometry nor CircleMap shows ads.

### Which is updated more often, Speed Trigonometry or CircleMap?

Speed Trigonometry ships an update every 14 months, and CircleMap daily. Most recently, Speed Trigonometry was updated on September 20, 2026 and CircleMap on June 2, 2026.

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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.*