# Triangle & Angle calculator vs Unit Circle Calculator

The clearest difference is review sentiment: Unit Circle Calculator at 83% against Triangle & Angle calculator's 5%. Unit Circle Calculator also leads on update cadence (every 3 weeks vs every 3 months). Triangle & Angle calculator's advantage is rating (4.0 vs 3.4) and ratings volume (209 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Triangle & Angle calculator sells 2 one-off in-app purchases and Unit Circle Calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Triangle & Angle calculator holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: Triangle & Angle calculator has 209 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 5% of Triangle & Angle calculator's written reviews are positive against 83% of Unit Circle Calculator's, so the app with the better star average is not the one people write more warmly about.

Triangle & Angle calculator ships an update every 3 months, Unit Circle Calculator every 3 weeks. The most recent releases landed on September 18, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Triangle & Angle calculator | Unit Circle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (209 ratings)](https://appshunter.io/ios/app/triangle-and-angle-calculator/id1278963382/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/unit-circle-calculator/id1606376248/reviews) |
| Number of ratings | **209** | 8 |
| Positive reviews | 4.5% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 182 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Triangle & Angle calculator

[App page](https://appshunter.io/ios/app/triangle-and-angle-calculator/id1278963382)

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

**Highlights:** Solve geometry exercises, Check calculations, Simple click interface, Angle calculations, Formula solver

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deleting advertisements | $0.99 | one-time |
| Detail Calculations and formul | $1.99 | one-time |


### 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 & Angle calculator free?

Triangle & Angle calculator is free to download, with in-app purchases available.

### Is Unit Circle Calculator free?

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

### Which has better reviews, Triangle & Angle calculator or Unit Circle Calculator?

Triangle & Angle calculator is rated higher. Triangle & Angle calculator averages 4.0 out of 5 from 209 ratings, while Unit Circle Calculator averages 3.4 from 8 ratings.

### Do Triangle & Angle calculator or Unit Circle Calculator have ads?

Neither Triangle & Angle calculator nor Unit Circle Calculator shows ads.

### Which is updated more often, Triangle & Angle calculator or Unit Circle Calculator?

Triangle & Angle calculator ships an update every 3 months, and Unit Circle Calculator every 3 weeks. Most recently, Triangle & Angle calculator was updated on September 18, 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.*