# Trigonometry calc vs Triangle Calculators

The clearest difference is rating: Triangle Calculators at 5.0 against Trigonometry calc's 3.0. Triangle Calculators also leads on in-app purchases (none vs 1). Trigonometry calc's advantage is update cadence (every 3 months vs every 26 months) and iOS requirement (15.6 vs 17.6). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase. Triangle Calculators asks for nothing beyond the download.

Triangle Calculators holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Trigonometry calc ships an update every 3 months, Triangle Calculators every 26 months. The most recent releases landed on September 6, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Trigonometry calc | Triangle Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc/id1306864057/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/triangle-calculators/id1553722101/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 26 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 10 MB | 39 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Trigonometry calc

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


### Triangle Calculators

[App page](https://appshunter.io/ios/app/triangle-calculators/id1553722101)

This app simplifies triangle calculations with intuitive inputs and clear diagrams. It covers various triangle types and theorems, offering over 125 calculations and supporting multiple units and languages.

**Highlights:** 125+ triangle calculations, Visual diagrams, Built-in formulas, Multiple unit support, 7 language options, Explores triangle types and theorems

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is Triangle Calculators free?

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

### Which has better reviews, Trigonometry calc or Triangle Calculators?

Triangle Calculators is rated higher. Trigonometry calc averages 3.0 out of 5 from 2 ratings, while Triangle Calculators averages 5.0 from 4 ratings.

### Do Trigonometry calc or Triangle Calculators have ads?

Both Trigonometry calc and Triangle Calculators show ads.

### Which is updated more often, Trigonometry calc or Triangle Calculators?

Trigonometry calc ships an update every 3 months, and Triangle Calculators every 26 months. Most recently, Trigonometry calc was updated on September 6, 2026 and Triangle Calculators on September 18, 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.*