# Triangle Solver vs Matoo8

The clearest difference is price: Triangle Solver at Free against Matoo8's $6.99. Triangle Solver also leads on update cadence (monthly vs every 12 months). Matoo8's advantage is ads (none vs shown) and iOS requirement (9.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Triangle Solver is free to download; Matoo8 costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Triangle Solver ships an update monthly, Matoo8 every 12 months. The most recent releases landed on September 17, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Triangle Solver | Matoo8 |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| 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 12 months |
| Monetization | Ad-supported | — |
| Size | 47 MB | 42 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Antonio Alves](https://appshunter.io/developer/1492915961) |

## 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


### Matoo8

[App page](https://appshunter.io/ios/app/matoo8/id1584886231)

**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 Matoo8 free?

Matoo8 costs $6.99, with no in-app purchases.

### Do Triangle Solver or Matoo8 have ads?

Triangle Solver shows ads; Matoo8 does not.

### Which is updated more often, Triangle Solver or Matoo8?

Triangle Solver ships an update monthly, and Matoo8 every 12 months. Most recently, Triangle Solver was updated on September 17, 2026 and Matoo8 on May 15, 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.*