# Geometry Calculator vs AquaMeter

The clearest difference is monetization model: AquaMeter at free against Geometry Calculator's paid. AquaMeter also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (13.0 vs 17). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Geometry Calculator ships an update every 2 months, AquaMeter every 5 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Geometry Calculator | AquaMeter |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 3 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Russkin](https://appshunter.io/developer/1218455498) | [Corinna Eicker](https://appshunter.io/developer/6789518227) |

## 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


### AquaMeter

[App page](https://appshunter.io/ios/app/aquameter-aquarium-tracker/id6789518225)

Track your aquarium's water parameters, inhabitants, and maintenance with AI-powered insights and recommendations. Manage your fish population, monitor trends, and access a comprehensive knowledge base.

**Highlights:** Water parameter tracking (pH, temp, etc.), AI-powered value assessment, KI-driven questions about your tank, Trend charts for water values, Maintenance log, Inhabitant management with compatibility, Extensive knowledge base

**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 AquaMeter free?

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

### Do Geometry Calculator or AquaMeter have ads?

Neither Geometry Calculator nor AquaMeter shows ads.

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

Geometry Calculator ships an update every 2 months, and AquaMeter every 5 days. Most recently, Geometry Calculator was updated on October 24, 2026 and AquaMeter on October 15, 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.*