# Triangle Solver vs Triangle Calculator Plus

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

Triangle Solver is free to download; Triangle Calculator Plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Triangle Solver against 5.0 for Triangle Calculator Plus. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Triangle Solver ships an update monthly, Triangle Calculator Plus every 23 months. The most recent releases landed on September 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Triangle Solver | Triangle Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/triangle-solver/id1508047860/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculator-plus/id1623980558/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 23 months |
| Monetization | **Ad-supported** | Paid |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## 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


### 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 Solver free?

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

### Is Triangle Calculator Plus free?

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

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

Triangle Solver and Triangle Calculator Plus are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

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

Triangle Solver shows ads; Triangle Calculator Plus does not.

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

Triangle Solver ships an update monthly, and Triangle Calculator Plus every 23 months. Most recently, Triangle Solver was updated on September 3, 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.*