Comparison

Geometry Calculator vs Thermal Growth

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

Thermal Growth

Calculate precise dimensional adjustments needed for temperature changes. This tool is designed for professionals in machining and manufacturing to ensure accuracy in their work.

Highlights
  • Calculate thermal expansion offsets
  • Supports various materials including steels, alloys, and polymers
  • Wide temperature range (-273°C to 2500 °C)
  • Adjustable reference temperature
  • Metric and imperial unit support
  • Offline functionality
  • Dark and light mode interface
Read full description

Thermal Growth is a fast and accurate thermal expansion calculator for machinists, toolmakers, CNC programmers and inspectors. Temperature changes affect dimensional accuracy. Thermal Growth computes the precise size adjustment required to hit your target dimension at the reference temperature. Features • Calculate thermal expansion offsets using standard engineering formulas • Supports steels, aluminium alloys, titanium, copper, brass, tool steels and polymers • Works across –273°C to 2500 °C • Adjustable reference temperature (default 20 °C) • Supports metric (mm/°C) and imperial (inch/°F) • Large, clear result with full calculation breakdown • Fully offline — ideal for workshop or inspection environments • Clean, workshop-friendly interface with dark and light mode • Request new materials directly from the app Material Database Includes • Aluminium alloys (2014, 2024, 6061, 6082, 7075) • Non-ferrous metals (Copper, Brass CW505L, Phosphor Bronze, Monel, Nickel, Inconel) • Tool steels (A2, D2, P20) • Polymers (Acetal/Delrin, PEEK, ABS and filled grades) • Additional materials added regularly Designed for Machinists Whether turning, grinding, milling or inspecting tight-tolerance components, Thermal Growth gives you the correct temperature-compensated dimension instantly. Ad-Supported with No Tracking A small AdMob banner supports development. No analytics, no tracking and no personal data collection.

Screenshots

Geometry Calculator4 screens
Thermal Growth4 screens

Verdict

The call

The clearest difference is ads: Geometry Calculator at none against Thermal Growth's shown. Geometry Calculator also leads on ratings volume (8 vs 1). Thermal Growth's advantage is update cadence (every 6 days vs every 2 months) and monetization model (ad-supported vs paid). On price, rating, in-app purchases and device support 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 Thermal Growth. 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, Thermal Growth every 6 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Geometry Calculator versus Thermal Growth: the parameters behind the verdict, then further details
ParameterGeometry CalculatorThermal Growth
PriceFreeFree
Rating5.0 (8 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings8 — better1
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17 — better18.0
Further details — not scored
Size2 MB20 MB
Age rating4+4+
DeveloperAndrey RusskinRevoroute Ltd

In-app purchases

None

Geometry Calculator

No in-app purchases

None

Thermal Growth

No in-app purchases

Questions

Is Geometry Calculator free?
Geometry Calculator is free to download, with no in-app purchases.
Is Thermal Growth free?
Thermal Growth is free to download, with no in-app purchases.
Which has better reviews, Geometry Calculator or Thermal Growth?
Geometry Calculator and Thermal Growth are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.
Do Geometry Calculator or Thermal Growth have ads?
Thermal Growth shows ads; Geometry Calculator does not.
Which is updated more often, Geometry Calculator or Thermal Growth?
Geometry Calculator ships an update every 2 months, and Thermal Growth every 6 days. Most recently, Geometry Calculator was updated on October 24, 2026 and Thermal Growth on October 30, 2026.

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