Best Circle Math Apps

Calculate radiusCalculate diameterCalculate circumference

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.

🔧 Utilities

Calculates all quantities

free

Circle and Sphere Pro

$2.99

This app calculates various geometric quantities for circles and spheres, including sectors and segments. It supports decimals and fractions, displays formulas and solutions step-by-step, and stores calculations in a history. Users can share their results.

Calculates sphere and circle quantitiesSupports sectors and segmentsShows formulas and step-by-step solutions

Draw a Perfect Circle!

Draw perfect circlesScore up to 1000 pointsGlobal leaderboard competition

Test your precision by drawing perfect circles with your fingers. Aim for the highest score and compete globally on the leaderboard. This simple yet challenging game offers endless replayability.

🎬 Entertainment

(14)

All measures, step-by-step

Circle & Sphere

Circle calculations (radius, diameter, circumference, area)Sphere calculations (surface area, volume)Circular sector calculations

Instantly solve geometry problems for homework and exams. Calculate circle and sphere properties with step-by-step solutions. Access learning videos and manage your calculations.

(4)

The Unit Circle App

Interactive Unit Circle

Unit Circle Quiz - Memorize the Unit Circle

by Chris Konstad

$0.99

Master the unit circle with this engaging quiz game. Study angles in radians and degrees, along with their coordinates. Track your progress with a high score list and improve your test readiness.

Memorize unit circle anglesStudy radians and degreesLearn corresponding coordinates

Addition & subtraction solved.

Master mental additionMaster mental subtractionBuild understanding

This platform helps children master mental addition and subtraction, moving them from counting to calculating. It focuses on building understanding, recall, and fluency in these core math skills. Designed for early learners, it offers an engaging way to achieve mathematical proficiency.

(297)

free

Unit Circle Calculator

Solution, steps & graph

Unit circle visualizationStep-by-step calculation explanationsDiagrams and animations

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.

(8)

Find Circumference of a Circle

Calculate Circumference Values

Calculate circumference, area, and diameterQuick and accurate resultsUser-friendly interface

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.

Multiplying skills for 6-16yo

(3)

free

Times Tables Rock Stars

Daily times tables practiceSequenced learning programBoosts recall speed

This app provides a structured program for daily multiplication practice, designed to improve recall speed. It's suitable for schools, families, and tutors looking to enhance children's math skills.

Math Circle: Times Tables Game

(1.5K)

subscription

Fast, Fun Elementary Math

Unit Circle Calculator PRO

With graphics and animations

$1.99

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats including negative values, decimals, fractions, and pi. Save, share, and revisit past calculations.

Unit circle visualizationStep-by-step calculationDiagrams and animations

Brainly: Your Personal Tutor

(25)

paid

Homework Helper & Test Prep

24/7 on-demand tutoringHuman tutors and AI supportStep-by-step explanations

This app provides 24/7 on-demand tutoring for K-12 students in subjects like math, science, and English. It combines human tutors with AI support to offer step-by-step explanations for homework and test preparation, aiming for guaranteed grade improvement.

(284K)

Master Unit Circle & Polar

CircleMap

Interactive unit circle quizzesCustomizable angle and radian practicePolar equation input and graphing

This app makes learning the unit circle and polar graphs interactive and fun. It offers customizable quizzes for angles, radians, and coordinates, along with a mode to visualize polar equations in both polar and Cartesian systems. It's designed to build confidence and speed in trigonometry and calculus.

by Willie van Schalkwyk

$3.99

Circle Judge - Roundness Check

Draw a circle, get a score

One-tap roundness scoringReference circle overlayCustomizable pen and guide colors

This app scores the roundness of freehand circles drawn on your screen. It provides instant feedback on how close your drawing is to a perfect circle, with options for customization and sharing your results.

🎨 Graphics & Design