Comparison

Pythagoras Calculator vs Geometry Calculator lite

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

Head to head
About

Pythagoras Calculator

Easily calculate any side of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and offers an ad-free option.

Highlights
  • Pythagorean theorem calculations
  • Calculate any of the three sides
  • History of calculations
  • Supports fraction input
  • Shareable solutions
  • Ad-free option
Features
Read full description

Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter two sides and calculate the third using the Pythagorean theorem. HOW IT WORKS Enter your values in the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. We cannot draw any conclusions about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always fully available. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

About

Geometry Calculator lite

Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.

Highlights
  • Calculates parameters for 26 geometric shapes
  • Supports 783 different calculations
  • Interactive 3D view for solids
  • Covers 2D planes and 3D solids
  • Available in multiple languages
  • Works on iPhone and iPad
Features
Read full description

Geometry Calculator – Now with 3D View Geometry Calculator is designed to calculate all key parameters of 26 geometric shapes, including both planes and solids. With 783 calculations, this app is perfect for students, engineers, and professionals who need quick, reliable results. What’s New • 3D View for Solids – explore shapes like Cube, Sphere, Cylinder, and more in interactive 3D. Supported Shapes 2D Shapes: • Circle, Annulus, Ellipse, Torus • Square, Rectangle, Triangle (Equilateral, Isosceles, Right, Theorems) • Parallelogram, Rhombus, Trapezoid, Polygon 3D Solids: • Cube, Cuboid, Capsule, Cone, Cylinder • Conical Frustum, Square Pyramid, Sphere, Hemisphere, Tube Available Calculations • Area & Surface Area • Perimeter & Semiperimeter • Volume • Angles • Radius, Diameter, Circumference • Side Length, Diagonal, Height, Width, Altitude, Slant Height • Inradius & Circumradius • Median & Thickness Compatibility • Works seamlessly on iPhone and iPad • Available in: English, Français, Español, Italiano, Deutsch, Português, Nederlands, 中文 (Chinese), Türkçe (Turkish), العربية (Arabic), Polski (Polish), 日本語 (Japanese)

Screenshots

Pythagoras Calculator4 screens
Geometry Calculator lite4 screens

Verdict

The call

Pythagoras Calculator and Geometry Calculator lite both sit at 4.6 stars, but that hides the real split: 83% of Pythagoras Calculator's written reviews are positive against 42% of Geometry Calculator lite's. Pythagoras Calculator also leads on ads (none vs shown) and ratings volume (248 vs 79). On price, rating, update cadence 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. Pythagoras Calculator sells 8 one-off in-app purchases and Geometry Calculator lite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Pythagoras Calculator against 4.5 for Geometry Calculator lite. Both are backed by a comparable volume of ratings — 248 and 79 respectively. Written reviews are what separate them: 83% of Pythagoras Calculator's written reviews are positive against 42% of Geometry Calculator lite's.

UpkeepUpdate frequency

Pythagoras Calculator ships an update every 4 weeks, Geometry Calculator lite every 5 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Pythagoras Calculator versus Geometry Calculator lite: the parameters behind the verdict, then further details
ParameterPythagoras CalculatorGeometry Calculator lite
PriceFreeFree
Rating4.6 (248 ratings) — better4.5 (79 ratings)
Positive reviews83.0% of reviews — better41.7% of reviews
Number of ratings248 — better79
Update frequencyEvery 4 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size179 MB56 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRV PUGAZHENTHI

Customer experience

Pythagoras Calculator

All ratings248 ratings
Positive90.3%
Neutral2.0%
Negative7.7%
Written reviews106 reviews
Positive83.0%
Neutral2.8%
Negative14.2%

Geometry Calculator lite

All ratings79 ratings
Positive86.1%
Neutral5.1%
Negative8.9%
Written reviews12 reviews
Positive41.7%
Neutral8.3%
Negative50.0%

Bugs and requests

Pythagoras Calculator

Reported bugs

6 issues
  • App crashes or fails to calculate
  • Paid ad removal not working properly
  • Fraudulent payment processing through third-party sites
  • Occasional incorrect calculation results
  • App not functioning on iPhone 5SE and older devices
Show 1 more
  • Persistent ads despite payment for removal

Requested features

6 requests
  • Calculate triangle angles
  • Support angle-based calculations with one side
  • Better monetization without aggressive ads
  • Improved ratings system
  • Real-time results display
Show 1 more
  • Support for non-right triangles

Geometry Calculator lite

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Pythagoras Calculator

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$1.99
  • Lifetime Access$1.99
1 purchases

Geometry Calculator lite

One-time1
  • 25 Geometry Calculators$2.99

Questions

Is Pythagoras Calculator free?
Pythagoras Calculator is free to download, with in-app purchases available.
Is Geometry Calculator lite free?
Geometry Calculator lite is free to download, with in-app purchases available.
Which has better reviews, Pythagoras Calculator or Geometry Calculator lite?
Pythagoras Calculator is rated higher. Pythagoras Calculator averages 4.6 out of 5 from 248 ratings, while Geometry Calculator lite averages 4.5 from 79 ratings.
Do Pythagoras Calculator or Geometry Calculator lite have ads?
Geometry Calculator lite shows ads; Pythagoras Calculator does not.
Which is updated more often, Pythagoras Calculator or Geometry Calculator lite?
Pythagoras Calculator ships an update every 4 weeks, and Geometry Calculator lite every 5 weeks. Most recently, Pythagoras Calculator was updated on October 26, 2026 and Geometry Calculator lite on October 30, 2026.

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