# Arctan Calculator vs Geometry Calculator

The clearest difference is update cadence: Geometry Calculator at every 2 months against Arctan Calculator's every 12 months. Arctan Calculator's advantage is iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arctan Calculator ships an update every 12 months, Geometry Calculator every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Arctan Calculator | Geometry Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/geometry-calculator-triangle/id6448397954/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 43 MB | 2 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Andrey Russkin](https://appshunter.io/developer/1218455498) |

## What reviewers say

### Arctan Calculator

[App page](https://appshunter.io/ios/app/arctan-calculator/id1618657861)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Arctan Calculator free?

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

### Is Geometry Calculator free?

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

### Do Arctan Calculator or Geometry Calculator have ads?

Neither Arctan Calculator nor Geometry Calculator shows ads.

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

Arctan Calculator ships an update every 12 months, and Geometry Calculator every 2 months. Most recently, Arctan Calculator was updated on October 27, 2026 and Geometry Calculator 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.*