# Geometry Calculator vs Diameter Finder

The clearest difference is monetization model: Diameter Finder at free against Geometry Calculator's paid. Diameter Finder also leads on iOS requirement (12.1 vs 17). Geometry Calculator's advantage is ratings volume (8 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. 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 Diameter Finder. 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. Written reviews split almost evenly too, at 100% and 100% positive.

Geometry Calculator ships an update every 2 months, Diameter Finder every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Geometry Calculator | Diameter Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/geometry-calculator-triangle/id6448397954/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/diameter-finder-circle-calc/id6463205574/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 13 MB |
| Requires iOS | 17 | **12.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Russkin](https://appshunter.io/developer/1218455498) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## 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


### Diameter Finder

[App page](https://appshunter.io/ios/app/diameter-finder-circle-calc/id6463205574)

This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.

**Highlights:** Calculate radius, Calculate diameter, Calculate circumference, Calculate area, Input any single value, Quick results

**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 Diameter Finder free?

Diameter Finder is free to download, with no in-app purchases.

### Which has better reviews, Geometry Calculator or Diameter Finder?

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

### Do Geometry Calculator or Diameter Finder have ads?

Neither Geometry Calculator nor Diameter Finder shows ads.

### Which is updated more often, Geometry Calculator or Diameter Finder?

Geometry Calculator ships an update every 2 months, and Diameter Finder every 5 months. Most recently, Geometry Calculator was updated on October 24, 2026 and Diameter Finder on October 24, 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.*