247+ iOS apps curated and reviewed
If you already know Sum of Angles of Quadrilateral, this is the deeper bench. 247+ sum of angles of quadrilateral apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | $0.99 | 4.8★ (10) | No | Yes | Aug 2026 |
| 3 |  | Free | 2.3★ (15) | No | No | Jul 2026 |
| 4 |  | Free | 1.8★ (5) | No | No | May 2026 |
| 5 |  | Free | 5.0★ (1) | No | No | Jul 2026 |
| 6 |  | Free | 3.0★ (1) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 8 |  | $0.99 | 4.2★ (5) | No | No | Aug 2026 |
This app helps users understand and calculate angles and lengths in right-angled triangles. It provides step-by-step workings for each calculation, aiding comprehension of trigonometric ratios and triangle properties. It also calculates the triangle's area with explanations.
Easily measure angles in your photos by selecting reference points. Capture new images or choose from your library to get precise angle measurements in degrees.
This app uses your device's camera to calculate angles of polygons in real-time. Simply point your camera at a shape, and it will display the angles on screen. You can then screenshot these calculations for saving.
This educational application assists students in calculating heights by determining angles above the horizontal. It simplifies complex measurements for inaccessible areas.
This app helps students, teachers, and professionals solve geometry and trigonometry problems. It calculates angles, areas, perimeters, and more for various shapes, providing formulas and steps for learning.
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.
This tool allows users to measure angles within videos, either captured live or imported from their library. It supports frame-by-frame analysis and exporting data for further calculations. Designed for rehabilitation professionals.
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.
Easily calculate the area of various geometric shapes by inputting their dimensions. The app also facilitates unit conversions between millimeters, centimeters, meters, inches, feet, and yards.
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.
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 geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.
Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.
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.
Create geometric constructions like triangles, lines, and circles. Explore interactive geometry by dragging elements, measuring lengths and areas, and transforming shapes. Save and share your creations, and discover learning activities.
This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.
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 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.