# Trimm 420 vs Geometry Calculator

The clearest difference is update cadence: Geometry Calculator at every 2 months against Trimm 420's every 18 months. Trimm 420's advantage is iOS requirement (11.0 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.

Trimm 420 ships an update every 18 months, Geometry Calculator every 2 months. The most recent releases landed on May 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Trimm 420 | 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 18 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 20 MB | 2 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Schubert](https://appshunter.io/developer/670940970) | [Andrey Russkin](https://appshunter.io/developer/1218455498) |

## What reviewers say

### Trimm 420

[App page](https://appshunter.io/ios/app/trimm-420/id989762941)

**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 Trimm 420 free?

Trimm 420 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 Trimm 420 or Geometry Calculator have ads?

Neither Trimm 420 nor Geometry Calculator shows ads.

### Which is updated more often, Trimm 420 or Geometry Calculator?

Trimm 420 ships an update every 18 months, and Geometry Calculator every 2 months. Most recently, Trimm 420 was updated on May 17, 2026 and Geometry Calculator on September 21, 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.*