145+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our find circumference of a circle list covers 145+ iPhone apps and games updated through May 2026. Compare ratings, prices, and screenshots in one place.
This circle calculator allows users to easily find diameter, radius, circumference, and area by entering just one value. Get quick and accurate results with this simple and fuss-free tool.
This application calculates key parameters of various geometric shapes, including 2D and 3D forms, with over 783 calculations, making it a valuable tool for students, engineers, and professionals. Explore and calculate shapes like circles, triangles, cylinders, and cubes with ease, and discover their properties in interactive 3D.
This calculator app helps you quickly measure circumference, area, and diameter values by simply inserting the correct values and hitting the calculate button. It's a convenient tool for students and anyone needing to solve equations, providing accurate answers and a user-friendly experience.
This application is a powerful geometry calculator that solves circle problems by allowing users to enter a single known value, such as radius or circumference, and instantly calculates all other values. It's a valuable tool for students, engineers, architects, and DIY enthusiasts who need quick and accurate calculations for their work or projects.
Access a powerful toolkit through augmented reality, including features like Tape Measure, Ruler, Height Tool, and more. Join over 5,000,000 users already benefiting from precise measurements for various tasks.
Easily find your ring size across different countries with this handy utility. Choose units, measurement type, use visual guides, and share your size on social media. Perfect for hassle-free ring sizing!
This application calculates the area of a circle using its radius or diameter, providing a convenient way to find the area by applying the circle area formula. Try it out to easily determine the area of a circle!
This geometric shape calculator helps users calculate lengths, angles, and areas of various shapes, including triangles, circles, and ellipses, as well as volumes of 3D objects. Simply choose a shape, enter values, and get instant calculations, making it a useful tool for students, engineers, and professionals.
Turn your device into a tape measure with a convenient app that lets you measure real objects and people's height. Estimate lengths, measure rectangular objects, and easily share measurements with friends. Get precise measurements and save them for later use with screenshots.
This application visualizes and explains the unit circle with interactive graphics, animations, and step-by-step calculations, allowing users to enter angles or radians and obtain detailed results. Users can save calculations in history, share solutions, and access various features such as diagrams for sine and cosine, and support for negative values, decimals, and fractions.
Easily calculate circle areas by inputting radius or diameter, with instant conversions between imperial and metric units. Get your area calculations in centimeters, meters, inches, feet, or yards, and convert the results to square units effortlessly.
Rotate the circle to unravel all circles. Join now to test your skills!
Measure anything with your iPhone using this versatile measurement app. Features include tape measure, laser level, stud finder, measurement history, and more. Experience augmented reality tools on devices compatible with ARKit and A9 processor or later.
An easy-to-use ring sizing app that accurately measures ring sizes by comparing them to a white circle on your phone screen. Features include support for various measurement units and systems, saving measurement results, and a ruler for measuring jewelry items. Try it now to easily determine the size of your rings!
Circle Affinity is a circular platformer game that celebrates the beauty of running around in circles. Enjoy navigating through circular hazards, unlocking color palettes, and exploring meticulously handcrafted circles in various game modes.
This game helps you study and memorize the unit circle by testing your knowledge of angles in radians and degrees with their corresponding coordinates. Track your progress with a high score list and improve your scores and times to master the unit circle for your next test or quiz.
This application visualizes and explains the unit circle with calculation steps, diagrams, and animations, allowing users to enter radian or angle values and calculate results with support for negative values, decimals, fractions, and π. Users can save calculations in history, share solutions, and access detailed step-by-step solutions.