162+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our find circumference of a circle list covers 162+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 1.0★ (3) | No | No | May 2026 |
| 3 |  | Free | 4.5★ (77) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | Yes | Yes | Jun 2026 |
| 5 |  | Free | 4.5★ (4) | No | No | May 2026 |
| 6 |  | Free | 4.4★ (88K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.7★ (140) | Yes | No | Aug 2026 |
| 8 |  | $1.99 | 5.0★ (2) | No | No | May 2026 |
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.
This educational tool quickly calculates circumference, area, and diameter of a circle. It's designed for students to save time on manual calculations with a simple, user-friendly interface.
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.
This app simplifies circle geometry calculations by instantly solving for all properties (radius, area, diameter, circumference) from a single known value. It's ideal for students, engineers, designers, and DIYers needing quick, accurate measurements.
Calculate the area and circumference of a circle using its radius or diameter. This tool applies the correct mathematical formulas for accurate results.
Transform your device into a versatile digital toolkit for precise measurements. Create 2D and 3D floor plans, scan rooms, and measure distances with advanced AI and computer vision. Ideal for DIY projects, home renovations, and professional use.
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 utility app instantly calculates the area of a circle based on its radius or diameter. It seamlessly converts between imperial and metric units in real-time, supporting various measurements like centimeters, meters, inches, feet, and yards.
This app helps you improve your circle-drawing precision. It displays your accuracy percentage and rewards high-precision attempts with combos. Challenge yourself to achieve perfect circles and break your own records.
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.
Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats and saves your work in a history for easy access and sharing.
Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.
Calculate the perimeter of various geometric shapes using different formulas. Supports circles, squares, rectangles, triangles, parallelograms, rhombuses, and trapezoids. An educational tool for geometry.
Learn the digits of pi with engaging practice and challenge modes. Test your memory and see how many digits you can recall. Perfect for math enthusiasts and those looking to improve their memorization skills.
