# Pitagorín! vs Speed Trigonometry

The clearest difference is price: Speed Trigonometry at Free against Pitagorín!'s $0.99. Speed Trigonometry also leads on review sentiment (100% vs 67%) and ratings volume (5 vs 1). Pitagorín!'s advantage is rating (5.0 vs 4.8) and iOS requirement (16.4 vs 18.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

Speed Trigonometry is free to download; Pitagorín! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pitagorín! holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Speed Trigonometry has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 67% of Pitagorín!'s written reviews are positive against 100% of Speed Trigonometry's, so the app with the better star average is not the one people write more warmly about.

Pitagorín! ships an update every 19 months, Speed Trigonometry every 14 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pitagorín! | Speed Trigonometry |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pitagorin/id347664740/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 14 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 2 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) | [Nick Petroni](https://appshunter.io/developer/1597208168) |

## What reviewers say

### Pitagorín!

[App page](https://appshunter.io/ios/app/pitagorin/id347664740)

This app assists with mathematical calculations, specifically the Pythagorean theorem and the rule of three. It has been rebuilt from the ground up for improved functionality.

**Highlights:** Pythagorean theorem calculation, Rule of three calculation, Rebuilt from scratch, Educational tool

**Features:** macOS Compatibility

**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 Pitagorín! free?

Pitagorín! costs $0.99, with no in-app purchases.

### Is Speed Trigonometry free?

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

### Which has better reviews, Pitagorín! or Speed Trigonometry?

Pitagorín! is rated higher. Pitagorín! averages 5.0 out of 5 from 1 ratings, while Speed Trigonometry averages 4.8 from 5 ratings.

### Do Pitagorín! or Speed Trigonometry have ads?

Neither Pitagorín! nor Speed Trigonometry shows ads.

### Which is updated more often, Pitagorín! or Speed Trigonometry?

Pitagorín! ships an update every 19 months, and Speed Trigonometry every 14 months. Most recently, Pitagorín! was updated on October 10, 2026 and Speed Trigonometry on October 7, 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.*