229+ iOS apps curated and reviewed
With an average user rating of 4.6★, the john cominio rpn calculator category is one of the App Store's strongest. Browse all 229+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (9) | No | Yes | May 2026 |
| 2 |  | Free | 4.9★ (404K) | Yes | No | Jul 2026 |
| 3 |  | Free | 4.7★ (60K) | No | No | Jul 2026 |
| 4 |  | Free | 4.6★ (36K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.9★ (33K) | Yes | Yes | Jul 2026 |
| 6 |  | $1.99 | 4.8★ (1.1K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.9★ (243K) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.7★ (1.7M) | Yes | Yes | Jul 2026 |
A scientific calculator utilizing Reverse Polish Notation (RPN) for complex calculations. It supports a wide array of mathematical functions including trigonometric, exponential, logarithmic, and root operations, with configurable angle units.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.
This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.
Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.
This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.
This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.
This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.
Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.
This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.
This app offers a comprehensive suite of 12 calculators, including scientific, currency, unit, and finance functions. It features advanced modes, extensive formula support, and a user-friendly interface for all calculation needs.
This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.
This app emulates the functionality of the HP 12C Financial Calculator, offering all its features and more for mobile devices. It provides a reliable and convenient way to perform complex financial calculations on the go.
This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.
This app offers a powerful RPN calculator with financial and scientific functions, mimicking popular industry-standard models. It includes programming capabilities and expandable flavors for diverse calculation needs.