# Pythagorean Calculator Pro vs Triangle Calculator

The clearest difference is price: Triangle Calculator at Free against Pythagorean Calculator Pro's $1.99. Triangle Calculator also leads on ads (none vs shown). Pythagorean Calculator Pro's advantage is rating (4.6 vs 4.0) and in-app purchases (none vs 2). On ratings volume and device support there is nothing between them.

Triangle Calculator is free to download; Pythagorean Calculator Pro costs $1.99 up front. Triangle Calculator sells 2 in-app purchases, starting at $0.99 per month. Pythagorean Calculator Pro asks for nothing beyond the download.

Pythagorean Calculator Pro holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Pythagorean Calculator Pro ships an update every 2 months, Triangle Calculator every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pythagorean Calculator Pro | Triangle Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/pythagorean-calculator-pro/id6742573225/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Freemium** |
| Size | 32 MB | 15 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JanoGroup LLC](https://appshunter.io/developer/1781461557) | [Vaghani Keyur](https://appshunter.io/developer/1164464860) |

## What reviewers say

### Pythagorean Calculator Pro

[App page](https://appshunter.io/ios/app/pythagorean-calculator-pro/id6742573225)

This app provides instant calculations for right triangles and serves as a comprehensive learning guide for the Pythagorean theorem. It includes interactive diagrams, reference guides for special triangles and triples, and real-world examples. It's designed for students, educators, and professionals working with geometry.

**Highlights:** Instant right triangle calculations, Interactive visual explanations, Special right triangle reference, Pythagorean triples list, Offline functionality, Theory and history of the theorem, Real-world applications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Triangle Calculator

[App page](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425)

This geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.

**Highlights:** Triangle angle calculation, Side length and hypotenuse calculation, Area and perimeter calculation, Advanced geometry calculations, User-friendly interface, Accurate results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $2.99 | per year |


## Frequently asked questions

### Is Pythagorean Calculator Pro free?

Pythagorean Calculator Pro costs $1.99, with no in-app purchases.

### Is Triangle Calculator free?

Triangle Calculator is free to download, with in-app purchases available.

### Which has better reviews, Pythagorean Calculator Pro or Triangle Calculator?

Pythagorean Calculator Pro is rated higher. Pythagorean Calculator Pro averages 4.6 out of 5 from 5 ratings, while Triangle Calculator averages 4.0 from 4 ratings.

### Do Pythagorean Calculator Pro or Triangle Calculator have ads?

Pythagorean Calculator Pro shows ads; Triangle Calculator does not.

### Which is updated more often, Pythagorean Calculator Pro or Triangle Calculator?

Pythagorean Calculator Pro ships an update every 2 months, and Triangle Calculator every 4 months. Most recently, Pythagorean Calculator Pro was updated on October 24, 2026 and Triangle Calculator on October 25, 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.*