# A vs Speed Trigonometry

The clearest difference is update cadence: Speed Trigonometry at every 14 months against A's every 70 months. A's advantage is rating (5.0 vs 4.8) and iOS requirement (15.6 vs 18.5). On price, review sentiment, ratings volume and ads there is nothing between them.

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

A holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

A ships an update every 70 months, Speed Trigonometry every 14 months. The most recent releases landed on June 11, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | A | Speed Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/a-shape/id608284732/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 14 months** |
| Monetization | Free | Free |
| Size | 24 MB | 2 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Dwiartanto](https://appshunter.io/developer/471738677) | [Nick Petroni](https://appshunter.io/developer/1597208168) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-shape/id608284732)

Create unique geometric shapes through iterative affine transformations. Apply translations, rotations, and scaling to various objects with gradient coloring to generate visually interesting results.

**Highlights:** Affine transformation for shape creation, Translation, rotation, and scaling, Gradient coloring, Supports circles, rectangles, stars, polygons, and lines, Iterative shape generation

**In-app purchases:** none


### 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 A free?

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

### Is Speed Trigonometry free?

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

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

A is rated higher. A averages 5.0 out of 5 from 2 ratings, while Speed Trigonometry averages 4.8 from 5 ratings.

### Do A or Speed Trigonometry have ads?

Neither A nor Speed Trigonometry shows ads.

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

A ships an update every 70 months, and Speed Trigonometry every 14 months. Most recently, A was updated on June 11, 2026 and Speed Trigonometry on August 8, 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.*