Comparison

Geometry Calculator vs Trigr

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

Trigr

This app quickly solves for all unknown measurements of right-angle and isosceles triangles using just two known values. It's designed for students, engineers, and builders needing accurate triangle calculations.

Highlights
  • Solves right-angle and isosceles triangles
  • Calculates all unknown measurements
  • Requires only two known values
  • User-friendly interface
  • Accurate calculations
Features
Read full description

Looking for an easy-to-use trigonometry solving app that can handle both right angle and isosceles triangles? Look no further than Trigr! With just two measurements - whether it's two sides or one side and an angle - Trigr can quickly and accurately solve all the other measurements, making it the perfect tool for students, engineers, builders, and anyone who needs to work with triangles on a regular basis. With Trigr, you don't need to be a math whiz to solve complex trigonometry problems. Simply input your measurements and let the app do the rest! And with its user-friendly interface, you'll be able to solve even the most complicated triangles in no time at all. But Trigr isn't just easy to use - it's also incredibly versatile. Whether you're working on a construction site, designing a building, or simply studying for a math test, Trigr has the tools you need to make accurate calculations and solve problems with ease. So why wait? Download Trigr today and start solving triangles like a pro! Standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Geometry Calculator4 screens
Trigr3 screens

Verdict

The call

The clearest difference is price: Geometry Calculator at Free against Trigr's $1.99. Geometry Calculator also leads on ratings volume (8 vs 1). Trigr's advantage is update cadence (daily vs every 2 months). On rating, ads, in-app purchases and monetization model 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

Geometry Calculator is free to download; Trigr costs $1.99 up front. 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 Trigr. 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.

UpkeepUpdate frequency

Geometry Calculator ships an update every 2 months, Trigr daily. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
Geometry Calculator versus Trigr: the parameters behind the verdict, then further details
ParameterGeometry CalculatorTrigr
PriceFree — better$1.99
Rating5.0 (8 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings8 — better1
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS1716.1 — better
Further details — not scored
Size2 MB66 MB
Age rating4+4+
DeveloperAndrey RusskinEvolv Developments Pty. Ltd.

Customer experience

Geometry Calculator

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

Trigr

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Geometry Calculator

No in-app purchases

None

Trigr

No in-app purchases

Questions

Is Geometry Calculator free?
Geometry Calculator is free to download, with no in-app purchases.
Is Trigr free?
Trigr costs $1.99, with no in-app purchases.
Which has better reviews, Geometry Calculator or Trigr?
Geometry Calculator and Trigr are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.
Do Geometry Calculator or Trigr have ads?
Neither Geometry Calculator nor Trigr shows ads.
Which is updated more often, Geometry Calculator or Trigr?
Geometry Calculator ships an update every 2 months, and Trigr daily. Most recently, Geometry Calculator was updated on September 21, 2026 and Trigr on September 7, 2026.

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