Circle & Sphere
All measures, step-by-step
About
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.
What's New in Circle & Sphere
3.2.1
July 17, 2026
Maintenance update. Improving performance.
In-App Purchases
$2.99
Remove Ads
Ads will be removed.
Developer apps
FAQ
What geometric shapes can Circle & Sphere calculate?
Circle & Sphere can calculate quantities for circles (radius, diameter, circumference, area), spheres (surface area, volume), and circular sectors (arc length, central angle). It provides free, complete step-by-step solutions for these calculations.
How does Circle & Sphere help with learning?
Circle & Sphere offers curated learning videos and provides detailed step-by-step solutions for each calculation. This aims to help users understand the formulas and processes involved, making exam preparation less stressful.
Is Circle & Sphere free to use?
Yes, Circle & Sphere is free to use with 24/7 access to all solutions and their steps. However, purchase options are available if you need to generate many solutions in a short period.
Does Circle & Sphere collect personal data?
No, Circle & Sphere does not require personal data. It only collects anonymized data on feature usage and solution generation to improve the app, and cannot identify individual users.
What devices is Circle & Sphere available on?
Circle & Sphere is available on iPhone, iPad, and iPod. It is rated for ages 4+.
How often is Circle & Sphere updated?
The latest version is 3.1.3, last updated on June 3, 2026. This indicates a recent update, suggesting ongoing development and support for the application.
What is the user rating for Circle & Sphere?
Circle & Sphere has a rating of 4.0 stars from 4 ratings. This suggests generally positive user reception based on the available feedback.
Does Circle & Sphere have ads?
No, Circle & Sphere does not contain advertisements. The app is free to use, with optional in-app purchases for advanced usage.
