# Triangle Solver vs EGK Calculus AR

The clearest difference is price: Triangle Solver at Free against EGK Calculus AR's $19.99. Triangle Solver also leads on iOS requirement (15.0 vs 18.5). EGK Calculus AR's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Triangle Solver is free to download; EGK Calculus AR costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Triangle Solver ships an update monthly, EGK Calculus AR every 2 months. The most recent releases landed on September 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Triangle Solver | EGK Calculus AR |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/triangle-solver/id1508047860/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Isaac Eng Gian Khor](https://appshunter.io/developer/1808933315) |

## What reviewers say

### Triangle Solver

[App page](https://appshunter.io/ios/app/triangle-solver/id1508047860)

This app provides step-by-step solutions for triangle calculations and angle conversions. It includes practice exercises, a trigonometry formula sheet, and an integrated math keyboard for easy input. Ideal for students and professionals needing to master triangle properties.

**Highlights:** Step-by-step triangle calculations, Angle conversion, Practice trigonometry exercises, Trigonometry formula sheet, Integrated math keyboard

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

**In-app purchases:** none


### EGK Calculus AR

[App page](https://appshunter.io/ios/app/egk-calculus-ar/id6748884900)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Solver free?

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

### Is EGK Calculus AR free?

EGK Calculus AR costs $19.99, with no in-app purchases.

### Do Triangle Solver or EGK Calculus AR have ads?

Triangle Solver shows ads; EGK Calculus AR does not.

### Which is updated more often, Triangle Solver or EGK Calculus AR?

Triangle Solver ships an update monthly, and EGK Calculus AR every 2 months. Most recently, Triangle Solver was updated on September 17, 2026 and EGK Calculus AR on October 4, 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.*