# Triangle & Angle calculator vs Trigonometry Calc

The clearest difference is rating: Triangle & Angle calculator at 4.1 against Trigonometry Calc's 3.0. Triangle & Angle calculator also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, update cadence and monetization model there is nothing between them.

Both are free to download. Trigonometry Calc sells 1 one-off in-app purchase. Triangle & Angle calculator asks for nothing beyond the download.

Triangle & Angle calculator holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Triangle & Angle calculator has 217 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 5% of Triangle & Angle calculator's written reviews are positive against 0% of Trigonometry Calc's.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | Triangle & Angle calculator | Trigonometry Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (217 ratings)](https://appshunter.io/ios/app/triangle-and-angle-calculator/id1278963382/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc-triangles/id1306864057/reviews) |
| Number of ratings | **217** | 2 |
| Positive reviews | **4.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 8 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Bo Kalvslund](https://appshunter.io/developer/572272193) |

## 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:** none

**What reviewers like**

- 👍 Detailed calculations and formulas (rare)

**What reviewers complain about**

-  광고 Excessive and intrusive ads
- 💰 Forced payment for basic features
- 💸 Unclear payment for formulas
- 🚫 Ads obstruct usability
- 👎 Poor UI/UX

**Reported bugs**

- Pop-up obstructs initial use
- Cannot change settings due to pop-up
- Formulas not visible after payment
- App resets angles
- Menu covers solution

**Requested features**

- Metric version available
- Option to disable ads without payment


### Trigonometry Calc

[App page](https://appshunter.io/ios/app/trigonometry-calc-triangles/id1306864057)

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

**Highlights:** Calculate side lengths, Calculate angles, Pythagorean Theorem, Trigonometry functions, Learn simple trigonometry, General triangle calculator (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is Triangle & Angle calculator free?

Triangle & Angle calculator is free to download, with no in-app purchases.

### Is Trigonometry Calc free?

Trigonometry Calc is free to download, with in-app purchases available.

### Which has better reviews, Triangle & Angle calculator or Trigonometry Calc?

Triangle & Angle calculator is rated higher. Triangle & Angle calculator averages 4.1 out of 5 from 217 ratings, while Trigonometry Calc averages 3.0 from 2 ratings.

### Do Triangle & Angle calculator or Trigonometry Calc have ads?

Trigonometry Calc shows ads; Triangle & Angle calculator does not.

### Which is updated more often, Triangle & Angle calculator or Trigonometry Calc?

Triangle & Angle calculator ships an update every 3 months, and Trigonometry Calc every 3 months. Most recently, Triangle & Angle calculator was updated on November 11, 2026 and Trigonometry Calc on November 11, 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.*