# Triangle Solver vs Unit Circle Calculator

The clearest difference is rating: Triangle Solver at 5.0 against Unit Circle Calculator's 3.4. Triangle Solver also leads on in-app purchases (none vs 8). Unit Circle Calculator's advantage is ads (none vs shown) and ratings volume (8 vs 2). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Circle Calculator sells 8 one-off in-app purchases. Triangle Solver asks for nothing beyond the download.

Triangle Solver holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

Triangle Solver ships an update monthly, Unit Circle Calculator every 3 weeks. The most recent releases landed on September 3, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Triangle Solver | Unit Circle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/triangle-solver/id1508047860/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/unit-circle-calculator/id1606376248/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 182 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## 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


### Unit Circle Calculator

[App page](https://appshunter.io/ios/app/unit-circle-calculator/id1606376248)

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats and saves your work in a history for easy access and sharing.

**Highlights:** Unit circle visualization, Step-by-step calculation explanations, Diagrams and animations, Supports negative, decimal, fraction, and π inputs, Calculation history, Shareable 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 | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Triangle Solver free?

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

### Is Unit Circle Calculator free?

Unit Circle Calculator is free to download, with in-app purchases available.

### Which has better reviews, Triangle Solver or Unit Circle Calculator?

Triangle Solver is rated higher. Triangle Solver averages 5.0 out of 5 from 2 ratings, while Unit Circle Calculator averages 3.4 from 8 ratings.

### Do Triangle Solver or Unit Circle Calculator have ads?

Triangle Solver shows ads; Unit Circle Calculator does not.

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

Triangle Solver ships an update monthly, and Unit Circle Calculator every 3 weeks. Most recently, Triangle Solver was updated on September 3, 2026 and Unit Circle Calculator on August 26, 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.*