# Geometry Calculator vs Trigr

The clearest difference is price: Geometry Calculator at Free against Trigr's $1.99. Geometry Calculator also leads on ratings volume (8 vs 1). Trigr's advantage is update cadence (daily vs every 2 months). On rating, ads, in-app purchases and monetization model there is nothing between them.

Geometry Calculator is free to download; Trigr costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Geometry Calculator against 5.0 for Trigr. That said, the two scores are not equally well evidenced: Geometry Calculator has 8 ratings behind it against 1, so its average is the more settled of the two.

Geometry Calculator ships an update every 2 months, Trigr daily. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Geometry Calculator | Trigr |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/geometry-calculator-triangle/id6448397954/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 2 MB | 66 MB |
| Requires iOS | 17 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Russkin](https://appshunter.io/developer/1218455498) | [Evolv Developments Pty. Ltd.](https://appshunter.io/developer/1679865917) |

## What reviewers say

### Geometry Calculator

[App page](https://appshunter.io/ios/app/geometry-calculator-triangle/id6448397954)

Perform a wide range of geometric calculations for various shapes including triangles, rectangles, circles, and prisms. Features an intuitive interface with instant recalculations and interactive visualizations. Customize units and decimal places for precise results.

**Highlights:** Calculate angles, sides, perimeter, and area, Supports triangles, rectangles, circles, spheres, cones, trapezoids, parallelograms, cylinders, and rectangular prisms, Instant recalculations based on input, Interactive animated visualizations, Customizable units of measurement, Selectable number of decimal places

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

**In-app purchases:** none


### Trigr

[App page](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882)

This app quickly solves for all unknown measurements of right-angle and isosceles triangles using just two known values. It's designed for students, engineers, and builders needing accurate triangle calculations.

**Highlights:** Solves right-angle and isosceles triangles, Calculates all unknown measurements, Requires only two known values, User-friendly interface, Accurate calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is Geometry Calculator free?

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

### Is Trigr free?

Trigr costs $1.99, with no in-app purchases.

### Which has better reviews, Geometry Calculator or Trigr?

Geometry Calculator and Trigr are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do Geometry Calculator or Trigr have ads?

Neither Geometry Calculator nor Trigr shows ads.

### Which is updated more often, Geometry Calculator or Trigr?

Geometry Calculator ships an update every 2 months, and Trigr daily. Most recently, Geometry Calculator was updated on September 21, 2026 and Trigr on September 7, 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.*