Comparison

Geometry Calculator vs Diameter Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Geometry Calculator

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
Read full description

An application for calculating angles, sides, perimeter, area, and volume for triangles, rectangles, circles, spheres, cones, trapezoids, parallelograms, cylinders, and rectangular prisms is a versatile and convenient tool designed to help you perform a wide range of geometric calculations quickly and easily. Whether you are a student, a professional, or a DIY enthusiast, this geometry calculator can be a useful tool for solving everyday tasks. Depending on the selected shape, the calculator allows different types of calculations. For triangles, you can calculate angles, sides, perimeter, and area. For rectangles, side lengths, perimeter, and area are available. For circles, you can calculate radius, diameter, circumference, and area, as well as the volume and surface area of a sphere. For rectangular prisms, you can calculate side lengths, base area, surface area, and volume. The app features a simple and intuitive interface that allows you to easily enter values and quickly obtain results. After entering any parameter, the shape is recalculated instantly based on the latest input. An interactive animated visualization provides a clearer representation of the shape and the changes applied to it. Units of measurement for angles, length, area, and volume, as well as the number of decimal places, can be selected for convenient calculations. The geometry calculator is a practical tool that helps you easily perform a wide range of geometric calculations.

About

Diameter Finder

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
Read full description

Diameter Finder - Circle Calculator. Do you need a quick and easy to use circle calculator? No problem, here it is. Enter one value to get the result in no time: Radius Diameter Circumference Area No fuss calculator. Does what it says on the tin.

Screenshots

Geometry Calculator4 screens
Diameter Finder4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
Geometry Calculator versus Diameter Finder: the parameters behind the verdict, then further details
ParameterGeometry CalculatorDiameter Finder
PriceFreeFree
Rating5.0 (8 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings8 — better1
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1712.1 — better
Further details — not scored
Size2 MB13 MB
Age rating4+4+
DeveloperAndrey RusskinKrzysztof Gwiazda

Customer experience

Geometry Calculator

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Diameter Finder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Geometry Calculator

No in-app purchases

None

Diameter Finder

No in-app purchases

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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