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.






86+ iOS apps & games curated and reviewed
The best carpenter triangle apps on iPhone average 4.1★ across 86+ titles — we've ranked them by what real users actually keep on their phones. Updated 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 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.




This app provides three essential construction tools: a corner squaring calculator using the Pythagorean theorem, a comprehensive stair calculator with building code support, and a digital bubble level. It allows direct input from tape measures in feet, inches, and sixteenths, simplifying calculations for framing and layout.


Measure angles between surfaces using your iPhone, iPod Touch, or iPad. This tool is designed for professionals in carpentry, joinery, and crafting.


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.


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 app helps solve various types of triangles, including SSS, SSA, SAS, AAS, ASA, and AAA. It offers a straightforward and functional tool for geometric calculations.


Slice timbers, woods, and pipes with precise timing to score points and collect stars. Avoid obstacles like bombs to progress and unlock new tools. This fast-paced game tests your reflexes and accuracy.


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


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.


This tool helps solve triangle problems by calculating unknown sides and angles using given information. It also provides a reference for various triangle formulas and allows interactive manipulation of the triangle.


Immerse yourself in woodworking and craftsmanship by assembling furniture and home decor. Test your designing, crafting, and sorting skills in this realistic 3D simulation game. Become a master carpenter and bring your design visions to life.


A minimalist puzzle game where players cut shapes until nothing remains. It offers a simple yet engaging challenge for quick play sessions.


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 provides union members with a digital TVC card, secure member portal access, and tools for the job site. It also facilitates dues payments for supported locals and offers directories and news.


This platform connects users with trained professionals for a wide range of home services. Get beauty treatments, cleaning, repairs, and more delivered to your doorstep quickly and conveniently by highly-rated experts.




Calculate angles and lengths of triangles with two distinct modes. One mode uses a fixed triangle shape, while the other adjusts the figure based on triangle size. This tool is valuable for professionals in architecture, surveying, and design.




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.