# Visual Trig Func vs Speed Trigonometry

The clearest difference is rating: Speed Trigonometry at 4.8 against Visual Trig Func's 1.0. Speed Trigonometry also leads on review sentiment (100% vs 61%) and in-app purchases (none vs 1). Visual Trig Func's advantage is update cadence (every 5 months vs every 14 months) and iOS requirement (14.0 vs 18.5). On price, ratings volume and device support there is nothing between them.

Both are free to download. Visual Trig Func sells 1 one-off in-app purchase. Speed Trigonometry asks for nothing beyond the download.

Speed Trigonometry holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 61% of Visual Trig Func's written reviews are positive against 100% of Speed Trigonometry's.

Visual Trig Func ships an update every 5 months, Speed Trigonometry every 14 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Visual Trig Func | Speed Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/visual-trig-func/id645214237/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 61.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 2 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [Nick Petroni](https://appshunter.io/developer/1597208168) |

## What reviewers say

### Visual Trig Func

[App page](https://appshunter.io/ios/app/visual-trig-func/id645214237)

This app visually demonstrates trigonometric functions, making them easier to understand and calculate. It offers interactive tools for exploring values, viewing wave graphs, and accessing lists of trigonometric ratios. Ideal for students and educators seeking a clearer grasp of trigonometry.

**Highlights:** Visual trigonometric functions, Interactive radius and angle manipulation, Comprehensive lists of trig ratios, Wave graph visualizations, Adjustable values via text fields, Tap-to-check degree and value functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Calculation 360!   (You can calc trig functions for over 90 degrees.) | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Visual Trig Func free?

Visual Trig Func is free to download, with in-app purchases available.

### Is Speed Trigonometry free?

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

### Which has better reviews, Visual Trig Func or Speed Trigonometry?

Speed Trigonometry is rated higher. Visual Trig Func averages 1.0 out of 5 from 2 ratings, while Speed Trigonometry averages 4.8 from 5 ratings.

### Do Visual Trig Func or Speed Trigonometry have ads?

Visual Trig Func shows ads; Speed Trigonometry does not.

### Which is updated more often, Visual Trig Func or Speed Trigonometry?

Visual Trig Func ships an update every 5 months, and Speed Trigonometry every 14 months. Most recently, Visual Trig Func was updated on September 18, 2026 and Speed Trigonometry on September 20, 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.*