# Right Triangle vs iCalc Triangle Calculator Pro

The clearest difference is in-app purchases: iCalc Triangle Calculator Pro at none against Right Triangle's 8. Right Triangle's advantage is update cadence (every 3 weeks vs every 19 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Right Triangle sells 8 one-off in-app purchases. iCalc Triangle Calculator Pro asks for nothing beyond the download.

Right Triangle holds the better App Store score, 3.8 against 3.6. Both are backed by a comparable volume of ratings — 6 and 5 respectively.

Right Triangle ships an update every 3 weeks, iCalc Triangle Calculator Pro every 19 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Right Triangle | iCalc Triangle Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/icalc-triangle-calculator-pro/id1603009957/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 180 MB | 4 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Jake Elrod](https://appshunter.io/developer/365336355) |

## What reviewers say

### Right Triangle

[App page](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770)

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

**Highlights:** Step-by-step solutions, Calculates legs, hypotenuse, height, angles, perimeter, area, Supports all length units, Curated learning videos, Feedback on incorrect inputs, Manage saved solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $2.99 | one-time |
| Lifetime Access | $2.99 | one-time |


### iCalc Triangle Calculator Pro

[App page](https://appshunter.io/ios/app/icalc-triangle-calculator-pro/id1603009957)

Explore the fundamental properties of triangles with this interactive educational application. It allows users to delve into angles, area, sides, and perimeter, providing a hands-on approach to understanding geometric concepts.

**Highlights:** Triangle property exploration, Calculate angles, Calculate area, Calculate sides, Calculate perimeter, Interactive learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Right Triangle free?

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

### Is iCalc Triangle Calculator Pro free?

iCalc Triangle Calculator Pro is free to download, with no in-app purchases.

### Which has better reviews, Right Triangle or iCalc Triangle Calculator Pro?

Right Triangle is rated higher. Right Triangle averages 3.8 out of 5 from 6 ratings, while iCalc Triangle Calculator Pro averages 3.6 from 5 ratings.

### Do Right Triangle or iCalc Triangle Calculator Pro have ads?

Neither Right Triangle nor iCalc Triangle Calculator Pro shows ads.

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

Right Triangle ships an update every 3 weeks, and iCalc Triangle Calculator Pro every 19 months. Most recently, Right Triangle was updated on November 3, 2026 and iCalc Triangle Calculator Pro on November 3, 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.*