This app calculates various parameters of circular arcs and segments. It supports multiple input combinations and offers unit flexibility for length and angles. Calculations are automatically saved and can be shared via email.






250+ iOS apps & games curated and reviewed
Every iPhone needs a few good circular sector apps and games. We benchmark 250+ 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 was $0.99 | 4.8★ (232) | No | No | Aug 2026 | |
| 2 | Free | 4.7★ (140) | Yes | No | Aug 2026 | |
| 3 | $4.99 | 4.7★ (650) | No | No | Aug 2026 | |
| 4 | $2.99 | 5.0★ (2) | No | No | Aug 2026 | |
| 5 | Free | — | — | No | Jun 2026 | |
| 6 | Free | 4.5★ (38) | No | No | Aug 2026 | |
| 7 | Free | 2.4★ (5) | No | Yes | May 2026 | |
| 8 | Free | 3.1★ (9) | No | Yes | Aug 2026 |






This app calculates various parameters of circular arcs and segments. It supports multiple input combinations and offers unit flexibility for length and angles. Calculations are automatically saved and can be shared via email.






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.





Transform your photos into unique circular images with advanced editing tools. Add professional effects like lens flares, celestial bodies, and customizable center objects to create miniature worlds. Supports 360-degree photos for immersive edits.


Instantly calculate all six properties of any circular segment by entering just two values. Ideal for students, engineers, and makers needing quick, reliable geometry solutions on the go.




Create and explore geometric constructions with interactive tools. Design sketches, customize drawings, and organize your creations. Ideal for users of the classic Euclidea Puzzles app.


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.


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 app is a comprehensive geometry calculator designed for machinists, designers, and manufacturing professionals. It offers on-screen keypads and calculates formulas for various plane figures, including triangles and circles, with options for degrees, minutes, and seconds.


This app uses AI to instantly solve geometry problems from photos. It provides step-by-step solutions and interactive visualizations to enhance understanding. It's designed for learners of all levels to master geometry.


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.


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 utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.




Enhance your mathematical understanding with a comprehensive reference covering 23 subjects, over 200 articles, and interactive illustrations. Explore detailed explanations, solved problems, and proofs to master concepts from algebra to calculus. Access all content and features with a premium upgrade.


Calculate the perimeter of various geometric shapes using different formulas. Supports circles, squares, rectangles, triangles, parallelograms, rhombuses, and trapezoids. An educational tool for geometry.


This app uses AI to quickly solve geometry problems from photos or direct input. It offers detailed, step-by-step explanations and saves your solution history. Full access requires a paid subscription.


Instantly solve homework problems by taking a photo. Get AI-powered explanations and step-by-step guidance for various academic subjects. Designed for all learners, it simplifies complex topics and promotes deeper understanding.