Best Right Angle Calculator Apps

201+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Out of 201+ right angle calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Right Angle Calculator

Triangle Calculator#2

Triangle Calculator by Kent Johansson

Right angle triangle solver
Strong Contender
📊 Productivity
5.0(2 ratings)
Free
Triangle Calculator screenshot 1
Triangle Calculator screenshot 2
Triangle Calculator screenshot 3
Triangle Calculator screenshot 4
Triangle Calculator screenshot 5
Triangle Calculator screenshot 6

This application calculates and solves right-angle triangles, determining lengths, angles, area, and perimeter with just two known values, and displays a proportionally correct visual representation. Try it out to solve triangles, customize display settings, and reuse recent calculations with ease.

Figure calculator ShapeInfo#3

Figure calculator ShapeInfo by Noriyasu Kutsuzawa

Geometric shape calculator
Worth Considering
📊 Productivity
4.7(134 ratings)
FreeAds
Figure calculator ShapeInfo screenshot 1
Figure calculator ShapeInfo screenshot 2
Figure calculator ShapeInfo screenshot 3
Figure calculator ShapeInfo screenshot 4
Figure calculator ShapeInfo screenshot 5
Figure calculator ShapeInfo screenshot 6

This geometric shape calculator helps users calculate lengths, angles, and areas of various shapes, including triangles, circles, and ellipses, as well as volumes of 3D objects. Simply choose a shape, enter values, and get instant calculations, making it a useful tool for students, engineers, and professionals.

More Right Angle Calculator apps to explore

4
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
by 境 饶
Free

This triangle calculator solves right and irregular triangles by entering a few values and calculating the rest, making it a useful tool for geometry calculations. Try it out to easily solve triangles and get the results you need.

📊 Productivity
(40)
5
Trigonometry Help Lite
Trigonometry Help Lite
Trigonometry Help Lite
Triangle Calculator + Workings
Free

Find unknown angles and sides of triangles with Trig Help, a simple triangle calculator. Quickly solve trigonometry problems with ease.

📚 Education
(688)
6
Right Triangle - Calculator
Right Triangle - Calculator
Right Triangle - Calculator
Calculates all quantities
Free

This application calculates all quantities of a right triangle, providing step-by-step solutions and supporting decimals and fractions, once you enter some quantities like an angle and a length. It allows you to change the decimal place, view calculation history, and share final solutions.

📚 Education
(6)
7
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

🔧 Utilities
(39K)
8
Construction Master 5 Calc
Construction Master 5 Calc
Construction Master 5 Calc
Feet Inch Fraction Calculator
Free

An innovative feet-inch-fraction calculator designed for construction professionals, the app offers versatile functionality, advanced calculation capabilities, and comprehensive solutions for various projects. Optimized for mobile devices, it enhances efficiency and accuracy in measurements, making it a valuable tool for builders, contractors, designers, and advanced DIYers. Simplify complex calculations and elevate your projects with the Construction Master 5 – your indispensable partner for precision and professionalism.

🔧 Utilities
(12K)
9
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Right Triangle Pythagoras
Free

This essential geometry tool quickly and accurately solves complex right-angled triangle problems, providing instant answers with clear explanations. Perfect for students and professionals, it offers a range of features, including Pythagorean theorem solving, trigonometry functions, and instant area and perimeter calculations.

📚 Education
(1)
10
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

💰 Finance
(23K)
11
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

🔧 Utilities
(1.7M)
12
Chippy Tools: Construction
Chippy Tools: Construction
Chippy Tools: Construction
Construction Calculator
Free

"Empower your carpentry work with Chippy Tools, the ultimate Construction Calculator for precise and quick calculations on the job. From baluster spacing to concrete calculations, this user-friendly app is a must-have for architects, builders, and woodworkers. No ads, just pure efficiency. Try it now!"

🔧 Utilities
(946)
13
Triangle & Angle calculator
Triangle & Angle calculator
Triangle & Angle calculator
Geometry, angle, formulas
Free

The application is a comprehensive geometry and angle calculator, allowing users to efficiently solve exercises and verify their calculations with a simple click. It provides a user-friendly interface and includes a range of formulas and tools to assist users in their geometry and angle-related tasks.

📚 Education
(209)
14
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!

🔧 Utilities
(33K)
15
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
16
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A versatile and customizable calculator app offering basic and scientific functions, memory features, history tape, and various layout options. Users can personalize their color themes, access scientific functions, and easily perform complex calculations, all with ad-supported convenience. Explore the app now for a powerful and user-friendly calculation experience!

🔧 Utilities
(3K)
17
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

An advanced scientific graphing calculator app that is user-friendly and suitable for basic to advanced mathematics, offering a powerful math core and extensive support features. Ideal for engineers, math students, and more, with built-in documents for various calculations. Explore the world of advanced mathematics with ease and efficiency.

📚 Education
(12K)
18
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

Experience a high precision calculator app that offers a user-friendly interface, supports multiple functionalities like undo, switching workspaces, Bluetooth keyboard compatibility, and more. Print and share your calculations with ease and precision for free!

🔧 Utilities
(268)
19
Angle Gradient Inclinometer
Angle Gradient Inclinometer
Angle Gradient Inclinometer
Angle 360 Degree, Gradient%
Free

This application measures tilt angles and converts them into gradients, displaying the results in degrees and percentages. It allows users to easily measure and switch between different angle settings, making it a useful tool for various applications.

🔧 Utilities
(215)
20
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)