240+ iOS apps curated and reviewed
If you already know Geometry Calculator, this is the deeper bench. 240+ geometry calculator triangle apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $3.99 | 5.0★ (4) | No | No | Jun 2026 |
| 2 |  | Free | 3.6★ (40) | No | Yes | May 2026 |
| 3 |  | Free | 4.5★ (77) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 5 |  | Free | 4.0★ (209) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (9.6K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 3.3★ (15) | Yes | Yes | May 2026 |
| 8 |  | Free | 5.0★ (3) | Yes | Yes | Jul 2026 |
Perform a wide range of geometric calculations for various shapes including triangles, rectangles, circles, and prisms. Features an intuitive interface with instant recalculations and interactive visualizations. Customize units and decimal places for precise results.
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.
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.
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.
Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.
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 offline geometry toolkit provides fast, accurate solutions for homework, studying, and quick checks. It offers tools for angles, triangles, circles, and various shapes, along with coordinate and analytic geometry calculations. Designed for high school students and everyday problem-solving.
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 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 app simplifies triangle calculations with intuitive inputs and clear diagrams. It covers various triangle types and theorems, offering over 125 calculations and supporting multiple units and languages.
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.
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 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.
This app assists with geometry calculations for over 50 2D and 3D shapes. Input known values and it automatically computes missing measurements like angles, area, volume, and more. It's a comprehensive tool for trigonometry, triangles, and engineering problems.
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.
Explore the fundamental properties of triangles with this interactive educational application. It allows users to delve into angles, area, sides, and perimeter, providing a hands-on approach to understanding geometric concepts.
This app helps you solve for the parameters of various geometric shapes and visually draws them. It supports multiple triangle types, squares, rectangles, circles, and regular polygons. Available for iPhone and iPad with a single purchase.
This app helps with geometry problems using an AI assistant to scan and solve word problems. It offers step-by-step solutions for over 100 geometric shapes, allowing users to calculate area, volume, perimeter, and surface area. Visualize shapes and share solutions easily.