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Best Pythagorean Theorem Calc App

194+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our pythagorean theorem calc app list covers 194+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Pythagorean Theorem Calc App

Pythagoras Calculator#1

Pythagoras Calculator by Glindemann, Sennoun, Langer GbR

With solution steps
Editor's Choice
📚 Education
4.6😊(237 ratings)
FreeIn-App Purchases
Pythagoras Calculator screenshot 1
Pythagoras Calculator screenshot 2
Pythagoras Calculator screenshot 3
Pythagoras Calculator screenshot 4

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.

What We Love

  • 👍 Easy to use and simple interface
  • ✅ Accurate calculations for Pythagorean theorem
  • 📚 Shows step-by-step solutions for learning
  • 🚀 Fast and efficient computation

Room to Improve

  • 📢 Intrusive and annoying advertisements
  • 💳 Deceptive payment practices and fraudulent charges
  • 🔐 Suspicious credit card requirements for access
Pythagorean Theorem Calc App#2

Pythagorean Theorem Calc App by talha rehman

Solve Right Triangles Easily
Strong Contender
📚 Education
0.0(0 ratings)
FreeAds
Pythagorean Theorem Calc App screenshot 1
Pythagorean Theorem Calc App screenshot 2
Pythagorean Theorem Calc App screenshot 3
Pythagorean Theorem Calc App screenshot 4
Pythagorean Theorem Calc App screenshot 5

This math tool helps you solve right triangle problems by calculating the hypotenuse or other sides with detailed, step-by-step visual solutions. It's designed for easy input of two side lengths to find the third, making algebra and geometry calculations straightforward.

More Pythagorean Theorem Calc App apps to explore

4
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
5
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Geometric shape calculator
Free

Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.

Calculate lengths, angles, and areaSupports 2D shapes (triangle, circle, ellipse)Supports 3D shapes (pyramid, prism, cone, cylinder, sphere)
📊 Productivity
(134)
ad-supported
6
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Right Triangle Pythagoras
Free

This geometry tool simplifies right-angled triangle calculations. It instantly solves for missing sides, angles, area, and perimeter using the Pythagorean theorem and trigonometry. It also displays the formulas used for each calculation, aiding understanding.

Pythagorean Theorem SolverTrigonometry FunctionsInstant Area and Perimeter Calculation
📚 Education
(1)
free with in-app purchases
7
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
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free with in-app purchases
8
Triangle Solver
Triangle Solver
Triangle Solver
by William Jockusch
Free

Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.

Calculate unknown sidesCalculate unknown anglesTwo angles and one side input
📚 Education
(30)
free
9
Trigonometry Help Lite
Trigonometry Help Lite
Trigonometry Help Lite
Triangle Calculator + Workings
Free

This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.

Solve right-angled trianglesView detailed math workingsScale drawing of solved triangle
📚 Education
(688)
free with in-app purchases
10
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.

Scan math problemsStep-by-step explanationsWord problem solver
📚 Education
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free with in-app purchases
11
Chippy Tools: Construction
Chippy Tools: Construction
Chippy Tools: Construction
Construction Calculator
Free

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Baluster spacing calculatorFlat run attached baluster calculatorSquare calculator
🔧 Utilities
(946)
freemium
12
Triangle Calculator
Triangle Calculator
Triangle Calculator
Right angle triangle solver
Free

Calculate side lengths, angles, area, and perimeter of right-angle triangles. Visualizes the triangle with adjustable precision and offers options to rotate, flip, and customize themes. Reuses previous entries for efficiency.

Calculates lengths, angles, area, perimeterDraws proportionally correct trianglesAdjustable decimal precision
📊 Productivity
(2)
free
13
Triangle & Angle calculator
Triangle & Angle calculator
Triangle & Angle calculator
Geometry, angle, formulas
Free

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

Solve geometry exercisesCheck calculationsSimple click interface
📚 Education
(209)
free with in-app purchases
14
Pythagorean Theorem Calculate
Pythagorean Theorem Calculate
Pythagorean Theorem Calculate
Pythagorean Theorem Calculator
$0.99
🔧 Utilities
(0)
15
Camera Math Solver - UpStudy
Camera Math Solver - UpStudy
Camera Math Solver - UpStudy
photo math solver
Free

Instantly solve academic questions by taking a photo. Get step-by-step explanations, ask follow-up questions, and receive writing assistance. Features include a math solver, AI tutor, and personalized learning sessions.

Scan and solve academic questionsStep-by-step explanationsMath solver for various levels
📚 Education
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free with in-app purchases
16
Pythagorean theorem App
Pythagorean theorem App
Pythagorean theorem App
Pythagorean Theorem Calculator
Free
📚 Education
(0)
17
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Calculator & Photo Solver
Free

Solve any math problem by typing it in or taking a photo. Get step-by-step solutions for subjects from pre-algebra to calculus. This AI-powered tool offers personalized learning and insights for over 300 million users.

Photo math solverStep-by-step solutionsCalculus calculator
📚 Education
(26K)
free with in-app purchases
18
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
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ad-supported
19
Calculus doodlus
Calculus doodlus
Calculus doodlus
Friendly everyday calculator
Free

This app offers a multi-page calculator with automatic saving and advanced functions like percentage and VAT calculation. It uniquely presents calculations in an interactive, handwritten style that can be customized with your own script.

Multi-page interfaceAutomatic work savingPercentage calculation
🔧 Utilities
(540)
free with in-app purchases
20
Calculator HD Pro
Calculator HD Pro
Calculator HD Pro
Basic & Scientific Calc
$9.99

This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.

Dual-line displayMulti-line inputCalculation history
🔧 Utilities
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free with in-app purchases