# Triangle Calculator Pythagoras vs Triangle Calculator Plus

The clearest difference is price: Triangle Calculator Pythagoras at Free against Triangle Calculator Plus's $3.99. Triangle Calculator Pythagoras also leads on update cadence (monthly vs every 23 months) and iOS requirement (15.0 vs 17.6). Triangle Calculator Plus's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 3). On ratings volume and device support there is nothing between them.

Triangle Calculator Pythagoras is free to download; Triangle Calculator Plus costs $3.99 up front. Triangle Calculator Pythagoras sells 3 in-app purchases, starting at $1.99 per 7 days. Triangle Calculator Plus asks for nothing beyond the download.

Triangle Calculator Plus holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Triangle Calculator Pythagoras ships an update monthly, Triangle Calculator Plus every 23 months. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Triangle Calculator Pythagoras | Triangle Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculator-plus/id1623980558/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 23 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 14 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Samil DEMIR](https://appshunter.io/developer/1600108280) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Triangle Calculator Pythagoras

[App page](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278)

This geometry tool simplifies right-angled triangle calculations. It instantly solves for missing sides, angles, area, and perimeter using the Pythagorean theorem and trigonometry. It also displays the formulas used for each calculation, aiding understanding.

**Highlights:** Pythagorean Theorem Solver, Trigonometry Functions, Instant Area and Perimeter Calculation, View Calculation Formulas, Input known measurements to find missing values

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Premium Yearly | $19.99 | per year |


### Triangle Calculator Plus

[App page](https://appshunter.io/ios/app/triangle-calculator-plus/id1623980558)

This app instantly solves any triangle problem with multiple solver modes and live visualization. It provides complete triangle properties, step-by-step solutions, and supports various units. Ideal for students, engineers, and professionals needing quick, accurate triangle calculations.

**Highlights:** Multiple solver modes (SSS, SAS, ASA, AAS, SSA, Right Triangle), Live triangle visualization with real-time updates, Complete triangle properties (area, perimeter, circumradius, inradius), Step-by-step solution breakdown, Unit support for various measurements, Tap to copy results

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

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Calculator Pythagoras free?

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

### Is Triangle Calculator Plus free?

Triangle Calculator Plus costs $3.99, with no in-app purchases.

### Which has better reviews, Triangle Calculator Pythagoras or Triangle Calculator Plus?

Triangle Calculator Plus is rated higher. Triangle Calculator Pythagoras averages 4.0 out of 5 from 1 ratings, while Triangle Calculator Plus averages 5.0 from 1 ratings.

### Do Triangle Calculator Pythagoras or Triangle Calculator Plus have ads?

Triangle Calculator Pythagoras shows ads; Triangle Calculator Plus does not.

### Which is updated more often, Triangle Calculator Pythagoras or Triangle Calculator Plus?

Triangle Calculator Pythagoras ships an update monthly, and Triangle Calculator Plus every 23 months. Most recently, Triangle Calculator Pythagoras was updated on September 17, 2026 and Triangle Calculator Plus on September 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.*