Comparison

CalcThagoras Geometry Solver vs Brainy Builder

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

Head to head
About

CalcThagoras Geometry Solver

Easily calculate geometric shapes and bodies with step-by-step calculations. Features an intuitive interface, beautiful design, and the ability to draw figures with calculated values.

Highlights
  • Calculate geometric forms and bodies
  • View step-by-step calculations
  • Intuitive interface for easy input
  • Draw figures with calculated values
  • Supports triangles, circles, rectangles, cones, cuboids, and cylinders
Features
Read full description

With CalcThagoras you can easily calculate geometric forms and bodies Features: • Calculate - Triangles - Circles - Rectangles - Cones - Cuboids - Cylinders • View the calculations, so you know exactly which steps were done for the result • Intuitive interface. Everything is done automatically, so you just have to enter the known values and the App will do its job. • Beautiful and light design, which makes CalcThagoras a joy to use • Draw figures with calculated values CalcThagoras is a useful utility every student should have installed on his iDevice.

About

Brainy Builder

This app offers a suite of tools for carpenters, simplifying complex calculations for measurements, spacing, and project planning. It supports both metric and imperial units, with free and expanded pro versions available.

Highlights
  • Metric and Imperial unit support
  • 8 free carpentry calculators
  • Equal spacing calculation
  • Parquet floor planning
  • Stair stringer calculation
  • Rafter calculations
  • Live drawing functionality
Features
Read full description

Brainy Builder gives you fast, accurate calculations for stairs, decks, floors, fences, angles, spacing and more, right in your hand. Perfect for: • Carpenters • Builders • Contractors • DIY projects FEATURES • Stair & deck layouts • Angle calculations • Equal spacing tools • Floor & fence planning • Quick construction math • Simple and fast to use Save time. Avoid mistakes. Build with confidence. Terms and Conditions: https://www.iubenda.com/terms-and-conditions/16914265

Screenshots

CalcThagoras Geometry Solver4 screens
Brainy Builder4 screens

Verdict

The call

The clearest difference is review sentiment: Brainy Builder at 100% against CalcThagoras Geometry Solver's 0%. Brainy Builder also leads on rating (5.0 vs 4.0) and ratings volume (4 vs 1). CalcThagoras Geometry Solver's advantage is monetization model (free vs freemium) and iOS requirement (8.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. CalcThagoras Geometry Solver sells 1 one-off in-app purchase and Brainy Builder sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Brainy Builder holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of CalcThagoras Geometry Solver's written reviews are positive against 100% of Brainy Builder's.

UpkeepUpdate frequency

CalcThagoras Geometry Solver ships an update every 6 weeks, Brainy Builder every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
CalcThagoras Geometry Solver versus Brainy Builder: the parameters behind the verdict, then further details
ParameterCalcThagoras Geometry SolverBrainy Builder
PriceFreeFree
Rating4.0 (1 ratings)5.0 (4 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings14 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS8.0 — better15.0
Further details — not scored
Size7 MB49 MB
Age rating4+4+
DeveloperMarlon TrotzinskiBeyond Code AB

Customer experience

CalcThagoras Geometry Solver

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Brainy Builder

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

CalcThagoras Geometry Solver

One-time1
  • Full Version$1.99
3 purchases

Brainy Builder

Subscriptions1
  • Pro Monthly7 Days trial$0.991 Month
One-time2
  • All formulasFree
  • Pro$11.99

Questions

Is CalcThagoras Geometry Solver free?
CalcThagoras Geometry Solver is free to download, with in-app purchases available.
Is Brainy Builder free?
Brainy Builder is free to download, with in-app purchases available.
Which has better reviews, CalcThagoras Geometry Solver or Brainy Builder?
Brainy Builder is rated higher. CalcThagoras Geometry Solver averages 4.0 out of 5 from 1 ratings, while Brainy Builder averages 5.0 from 4 ratings.
Do CalcThagoras Geometry Solver or Brainy Builder have ads?
Neither CalcThagoras Geometry Solver nor Brainy Builder shows ads.
Which is updated more often, CalcThagoras Geometry Solver or Brainy Builder?
CalcThagoras Geometry Solver ships an update every 6 weeks, and Brainy Builder every 3 weeks. Most recently, CalcThagoras Geometry Solver was updated on October 19, 2026 and Brainy Builder on October 24, 2026.

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