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.






248+ iOS apps curated and reviewed
Every iPhone needs a few good height calculator triangle apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | No | No | May 2026 | |
| 2 | Free | 4.3★ (104) | No | Yes | Aug 2026 | |
| 3 | Free | 4.6★ (10K) | Yes | Yes | Aug 2026 | |
| 4 | Free | 5.0★ (3) | Yes | Yes | Jul 2026 | |
| 5 | Free | 4.3★ (78) | No | No | Aug 2026 | |
| 6 | Free | 4.0★ (209) | No | Yes | Aug 2026 | |
| 7 | Free | 3.8★ (6) | No | Yes | Aug 2026 | |
| 8 | Free | 4.0★ (1) | Yes | Yes | May 2026 |






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.



Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.

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.


This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.


This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.


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


Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.


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.


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.


This app calculates missing values for both right and irregular triangles. Simply input two known values for a right triangle or three for an irregular one, and it will compute the remaining sides and angles.


This utility app calculates missing sides and angles of a triangle given at least three known measures. It displays the formulas used for learning and supports angle input in degrees or radians, with adjustable decimal precision.


Quickly calculate the area of a triangle by inputting its base and height. This tool eliminates the need for manual calculations, making geometry problems faster to solve.


Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.


This free utility app helps users solve triangle-related problems for both right-angled and regular triangles. It also offers solutions for 20 other geometric shapes, making it a versatile tool for calculations.




This app estimates a person's height from uploaded photos using smart detection. It provides a height range and confidence score for each estimate, and allows users to save scans and compare averages.


This app serves as a comprehensive geometry guide, offering calculations for 26 different 2D shapes and 3D solids. It covers essential parameters like area, volume, radius, and angles, making it a complete reference for geometric computations.


This utility app helps you calculate triangle angles and data. It can determine if a corner is 90 degrees by taking measurements and inputting them into the app. You can also use it to calculate right triangle data.


This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.


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.