# Circle Calculator - Pi & Area — Radius & Circumference Solver > Instantly calculates all circle properties from any single known value. (iPhone/iPad app by Muhammed Samil DEMIR.) - Source: https://appshunter.io/ios/app/circle-calculator-pi-and-area/id1607441563 (this page in markdown: same URL + `.md`) - Developer: [Muhammed Samil DEMIR](https://appshunter.io/developer/1600108280) - Category: Education, Developer Tools - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.0 · 15 MB - Languages: English - Released: 2022-02-05 - Data updated: 2026-06-21 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/circle-calculator-pi-and-area/id1607441563/reviews.md ## What is Circle Calculator? Stop struggling with confusing geometry formulas and manual calculations. Circle Calculator Pi is the smartest and easiest way to solve any circle problem for your schoolwork, design projects, or on the job needs. Our powerful calculator has one key feature that makes it superior to the rest. You can enter any single value you already know, whether it is the radius, the area, the diameter, or the circumference, and the app will instantly calculate all other values for you. It removes all the guesswork and saves you valuable time. WHO IS THIS FOR This app is the perfect math tool for a wide range of users. It is an essential homework helper for students learning geometry. It is a reliable and fast tool for engineers, architects, and designers who need quick calculations for plans and structures. It is also great for DIY enthusiasts and construction workers who need accurate measurements on the spot. KEY FEATURES Flexible Calculation Our standout feature allows you to calculate everything from just one input. If you have the area, we give you the radius. If you have the circumference, we give you the diameter. It is that simple. See The Formula To help you learn or double check your work, the app can show you the exact mathematical formula used for the calculation. This is perfect for understanding the principles of circle geometry. Customizable Pi Value For advanced mathematical or engineering problems that require higher precision, you can easily change the value of Pi from the default 3.14 to whatever you need. Clean and Simple Interface We designed the app to be fast and easy to use. There are no complicated menus or clutter. Just open the app and get your answer in seconds. HOW TO USE One Open the application. Two Enter your known value into the correct field such as Radius Area or Circumference. Three Instantly check the detailed and accurate results for all circle properties. Download Circle Calculator Pi today and make complicated math problems a thing of the past. Get the fast, reliable solver you need. terms of use : https://monsware.com/circle-calculator-terms privacy policy : https://monsware.com/circle-calculator-privacy ## Key features - Calculate all circle properties from one input - View mathematical formulas used - Customize Pi value for precision - Clean and simple user interface - Fast and accurate results ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Weekly Premium | $1.99 | per 7 days | | Monthly Premium | $4.99 | per month | | Annual Premium | $24.99 | per year | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/circle-calculator-pi-and-area/id1607441563/reviews.md ### 1/5 — Malware *2024-10-22* Tries to tell me I have a virus on my iPhone and to install malware remover. Do not install!! ## Frequently asked questions about Circle Calculator ### What are the subscription plans for Circle Calculator Pi? Circle Calculator Pi offers several subscription plans: Weekly Premium for $1.99, Monthly Premium for $4.99, and Annual Premium for $24.99. These plans likely unlock additional features or remove limitations. ### How does Circle Calculator Pi help with learning geometry? Circle Calculator Pi aids learning by allowing users to see the exact mathematical formulas used for calculations. This helps in understanding the principles of circle geometry and double-checking work. ### Can I adjust the precision of calculations in Circle Calculator Pi? Yes, you can customize the value of Pi within Circle Calculator Pi. This feature is useful for advanced mathematical or engineering problems requiring higher precision than the default 3.14. ### What devices is Circle Calculator Pi available on? Circle Calculator Pi is available for iPhone and iPod devices. It is designed for iOS users who need a reliable geometry calculation tool. ### How often is Circle Calculator Pi updated? The latest version of Circle Calculator Pi is 0.2.0, and it was last updated on August 12, 2025. This indicates a recent update, suggesting ongoing development and support. ### Does Circle Calculator Pi have ads? Yes, Circle Calculator Pi contains advertisements. As it is a free app with in-app purchases, ads are part of its monetization strategy. ### What is the age rating for Circle Calculator Pi? Circle Calculator Pi has an age rating of 4+. This suggests it is suitable for a wide audience, including young students learning basic geometry concepts. ### How does Circle Calculator Pi compare to manual calculations? Circle Calculator Pi eliminates the need for manual calculations and guesswork by instantly providing accurate results. It saves valuable time for students, professionals, and DIYers. ## Version history (last 5 releases) ### 0.2.0 — 2025-08-12 We've been busy making improvements! Here's what's new: - Bug Fixes: We've squashed some pesky bugs to improve stability. - Performance Boost: The app should feel a little faster and more responsive now. - UI Polish: Made some minor tweaks to the interface for a cleaner look. Thanks for using our app! ### 0.1.0 — 2025-07-18 Enjoy an Ad-Free Experience! You asked, we listened! You can now subscribe to remove all ads for a cleaner, faster, and more focused calculation experience. This update also includes bug fixes and performance improvements to make the app even more reliable. Thanks for your support and for helping us make the app better! ### 0.0.5 — 2023-10-22 - some ui error fixed - performance improvement ### 0.0.4 — 2023-10-09 - Natively builded app with SwiftUI - Performance improvement ### 0.0.2 — 2022-05-02 bug fixes ## Apps similar to Circle Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Javascript learn](https://appshunter.io/ios/app/javascript-learn/id1581597540) | 5.0 (1) | Free | Education | | [Learn Python : EasyCoder](https://appshunter.io/ios/app/learn-python-easycoder/id1532573220) | 4.4 (7) | Free | Education | | [Learn to Code – Tinkerstellar](https://appshunter.io/ios/app/learn-to-code-tinkerstellar/id1567374120) | 4.9 (577) | Free | Education | | [FullstackQuiz: 500+ questions](https://appshunter.io/ios/app/fullstackquiz-500-plus-questions/id1542925060) | — | Free | Education | | [Geometry Calculator Helper](https://appshunter.io/ios/app/geometry-calculator-helper/id6448399836) | 2.0 (1) | Free | Education | | [Circle & Sphere](https://appshunter.io/ios/app/circle-and-sphere/id1564077078) | 4.0 (4) | Free | Education | ## More apps by Muhammed Samil DEMIR - [Triangle Calculator Pythagoras](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278) - [Budget & Expenses : Monspend](https://appshunter.io/ios/app/budget-and-expenses-monspend/id6762266602) All apps by Muhammed Samil DEMIR: https://appshunter.io/developer/1600108280 ## Related topics [muhammed samil demir](https://appshunter.io/ios/topics/muhammed-samil-demir) · [find circumference of a circle](https://appshunter.io/ios/topics/find-circumference-of-a-circle) · [circumference](https://appshunter.io/ios/topics/circumference) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-21.*