# Trigonometry calc vs WS Geometry

The clearest difference is rating: WS Geometry at 5.0 against Trigonometry calc's 3.0. WS Geometry also leads on in-app purchases (none vs 1) and ads (none vs shown). Trigonometry calc's advantage is update cadence (every 3 months vs every 6 months). On price, ratings volume and device support there is nothing between them.

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

WS Geometry holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

Trigonometry calc ships an update every 3 months, WS Geometry every 6 months. The most recent releases landed on September 6, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Trigonometry calc | WS Geometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc/id1306864057/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ws-geometry/id1435683784/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 56 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Rein Rapp](https://appshunter.io/developer/1031133571) |

## 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 |


### WS Geometry

[App page](https://appshunter.io/ios/app/ws-geometry/id1435683784)

This app is a comprehensive geometry calculator designed for machinists, designers, and manufacturing professionals. It offers on-screen keypads and calculates formulas for various plane figures, including triangles and circles, with options for degrees, minutes, and seconds.

**Highlights:** On-screen keypad, Triangle formulas in degrees, minutes, seconds, Area calculations for all figures, Decimal place selector, Calculates various plane figures, Supports triangles with inscribed shapes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is WS Geometry free?

WS Geometry is free to download, with no in-app purchases.

### Which has better reviews, Trigonometry calc or WS Geometry?

WS Geometry is rated higher. Trigonometry calc averages 3.0 out of 5 from 2 ratings, while WS Geometry averages 5.0 from 5 ratings.

### Do Trigonometry calc or WS Geometry have ads?

Trigonometry calc shows ads; WS Geometry does not.

### Which is updated more often, Trigonometry calc or WS Geometry?

Trigonometry calc ships an update every 3 months, and WS Geometry every 6 months. Most recently, Trigonometry calc was updated on September 6, 2026 and WS Geometry on June 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.*