219+ iOS apps curated and reviewed
Scientific Calculator fx is the household name in casio calculator, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (381) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (12K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 2.1★ (8) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.8★ (52K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (1.7M) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (243) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (1.4K) | Yes | No | Aug 2026 |
This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.
This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
This app brings the functionality of Casio's ClassWiz scientific calculators to your smartphone or tablet. Perform advanced calculations, manage spreadsheets, and generate graphs by connecting to Casio's online services. It mirrors the operation of physical calculators and uses QR codes for seamless integration.
This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.
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 advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.
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.
A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.
This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.
This app offers a comprehensive calculator with standard arithmetic functions, business-specific calculations like GST, and advanced features. Enjoy a realistic calculator experience with tactile feedback and a clean interface.
Perform complex calculations with a natural input interface. This app offers instant results in both number and expression formats, supporting a wide range of mathematical functions. Enjoy a clean design with customizable options and offline availability.
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.
Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.
This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.
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 app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.
This free calculator app is designed for academic, scientific, and engineering needs. It offers basic arithmetic, memory storage, fraction and percentage calculations, and advanced functions like linear regression and hexadecimal conversions. Its user interface mimics a Casio scientific calculator.
Perform complex calculations, graph functions, and utilize a computer algebra system for mathematical exploration. This app offers a suite of tools for math and science learning, including dynamic visualizations and advanced functions. It's designed to enhance mathematical understanding for students and educators.
This academic calculator displays mathematical expressions in natural textbook format, including fractions and roots. It provides exact form results and supports complex numbers, trigonometry, and advanced math functions. Store values in variables and access calculation history.
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.