# Best Proportion Calc — Simple and quick calculation > Simple and quick rule of three calculator using the cross product method. (iPhone/iPad app by Denis Belmont.) - Source: https://appshunter.io/ios/app/best-proportion-calc/id6474536406 (this page in markdown: same URL + `.md`) - Developer: [Denis Belmont](https://appshunter.io/developer/1174113984) - Category: Productivity, Utilities - Price: Free - Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 14.0 · 4 MB - Languages: Afrikaans, Albanian, Arabic, Bosnian, Catalan, Croatian, Czech, Danish, Dutch, English and 28 more - Released: 2023-12-21 - Data updated: 2026-07-09 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/best-proportion-calc/id6474536406/reviews.md ## What is Best Proportion Calc? Dive into the world of math without the hassle with our super rule of three calculator! Whether you're an intrepid student, a numbers whiz, or just curious, our app is here to make proportion calculations as easy as child's play, thanks to the genius cross product method. Why our calculator is great: Intuitive Calculation: No more headaches! Enter your values, let our calculator do its magic, and voilà, your results are there! Product in Turbo Cross: Goodbye to headaches with complicated equations! Our app uses the cross product method to solve everything from simple equations to crazy puzzles. Versatile: Whether you need to solve problems related to finance, science, or other fields, our app offers exceptional versatility. Offline and Free as Air: Wherever you are, our app follows you. No need for Internet, no limits. Get ready to experience a mathematical adventure like never before. Download our rule of three calculator now and let the math magic happen! ## Key features - Intuitive proportion calculation - Cross product method for solving equations - Versatile for finance, science, and more - Offline functionality - Free to use ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/best-proportion-calc/id6474536406/reviews.md ### 5/5 — The BEST! *2025-01-23* I've tried every single prop calc on the app store and this is hands down the best! Please add a remove ads option payment option! ## Frequently asked questions about Best Proportion Calc ### What is Best Proportion Calc? Best Proportion Calc is a mobile application designed to simplify proportion calculations using the cross product method. It allows users to quickly solve problems related to finance, science, and other fields without needing an internet connection. ### How does Best Proportion Calc work? The app utilizes the cross product method, a common mathematical technique for solving proportions. Users input their known values, and the calculator automatically computes the unknown value, making complex equations easy to handle. ### Is Best Proportion Calc free to use? Yes, Best Proportion Calc is free to download and use. It is supported by advertisements, which are integrated into the app experience. ### Can I use Best Proportion Calc offline? Absolutely. Best Proportion Calc is designed to function completely offline, meaning you can perform calculations anytime and anywhere without requiring an internet connection. ### What devices is Best Proportion Calc compatible with? Best Proportion Calc is available for iPhone and iPod devices. It is designed to run on iOS operating systems. ### What is the age rating for Best Proportion Calc? The app has an age rating of 4+, making it suitable for a wide range of users, including younger individuals learning about proportions. ### How often is Best Proportion Calc updated? The latest version, 1.0.4, was released on November 22, 2024. Updates are provided periodically to improve functionality and user experience. ### Does Best Proportion Calc have ads? Yes, Best Proportion Calc contains advertisements. These ads help support the app's development and allow it to remain free for users. ## Version history (last 4 releases) ### 1.0.4 — 2024-11-22 SDK Update ### 1.0.3 — 2024-03-20 Accessibility improvements ### 1.0.2 — 2024-01-15 Languages ### 1.0.1 — 2023-12-21 No release notes. ## Apps similar to Best Proportion Calc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Drafting Utility :TriangleCalc](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118) | — | Free | Productivity | | [Calculator History&calc](https://appshunter.io/ios/app/calculator-history-and-calc/id6461774831) | 4.6 (14) | Free | Productivity | | [Smart Calculator Pro](https://appshunter.io/ios/app/smart-calculator-pro/id6469614398) | 5.0 (1) | $7.99 | Productivity | | [Calctronics: Circuit Calc](https://appshunter.io/ios/app/calctronics-circuit-calc/id1583972990) | 4.0 (5) | Free | Productivity | | [Electrocalc: electronics tools](https://appshunter.io/ios/app/electrocalc-electronics-tools/id1583600520) | 4.3 (3) | $4.99 | Productivity | | [Hydraulic System Calculator](https://appshunter.io/ios/app/hydraulic-system-calculator/id826281445) | 4.0 (3) | Free | Productivity | ## More apps by Denis Belmont - [Best Discount Calculator](https://appshunter.io/ios/app/best-discount-calculator/id1174113985) - [Best Percentage Calc](https://appshunter.io/ios/app/best-percentage-calc/id1540357619) - [Best VAT Calculator](https://appshunter.io/ios/app/best-vat-calculator/id1563016068) - [Best Age Calculator](https://appshunter.io/ios/app/best-age-calculator/id1626859458) - [Salaire Brut en Net](https://appshunter.io/ios/app/salaire-brut-en-net/id6443437521) All apps by Denis Belmont: https://appshunter.io/developer/1174113984 ## Related topics [best proportion calc](https://appshunter.io/ios/topics/best-proportion-calc) · [Rule of Three](https://appshunter.io/ios/topics/rule-of-three) · [proportion](https://appshunter.io/ios/topics/proportion) · [proportions app](https://appshunter.io/ios/topics/proportions-app) · [regra de 3](https://appshunter.io/ios/topics/regra-de-3) · [rule of three calculator pro](https://appshunter.io/ios/topics/rule-of-three-calculator-pro) --- *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 2026-07-09.*