221+ iOS apps curated and reviewed
The best integral calculator apps on iPhone average 4.5★ across 221+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (26K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.9★ (425K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 3.0★ (2) | No | No | May 2026 |
| 5 |  | Free | — | No | Yes | May 2026 |
| 6 |  | Free | 4.8★ (52K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.9★ (404K) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.3★ (1.3K) | No | No | Aug 2026 |
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.
Solve any math problem by typing it in or taking a photo. Get step-by-step solutions for subjects from pre-algebra to calculus. This AI-powered tool offers personalized learning and insights for over 300 million users.
Solve math problems instantly by taking a photo or typing your question. Get step-by-step solutions for algebra, graphing, calculus, and more. Understand complex math concepts with unlimited access to answers.
This app helps solve integration calculations quickly and easily. It supports both definite and indefinite integrals, providing graphical representations and step-by-step solutions. Ideal for students and those needing to understand areas under curves.
This application simplifies calculus by providing tools to solve various types of integrals. It offers step-by-step guidance, practice quizzes, and calculators for double integrals, triple integrals, and methods like shell and washer. It's designed to help users understand and solve complex calculus problems efficiently.
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 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.
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 app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to 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 free tool helps you evaluate integrals instantly, providing step-by-step calculations for both definite and indefinite integrals. It simplifies complex functions and offers accurate results with a user-friendly interface and an advanced scientific keyboard.
Solve math problems instantly with a powerful AI-driven calculator. Features include basic and scientific calculations, a photo math solver, and an AI homework helper for step-by-step explanations. Ideal for students and professionals needing quick, accurate math solutions.
Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.
This app provides step-by-step solutions to algebra problems, helping users understand how to solve equations and inequalities. It can also graph equations, factor expressions, and evaluate mathematical expressions.
This app serves as a powerful math toolbox for students, teachers, and engineers. It handles everything from basic arithmetic to advanced university-level math with an exceptional algebra engine. Enjoy the benefits of a scientific calculator combined with a modern mobile interface, offering exact arithmetic and comprehensive tools for algebra, calculus, and linear algebra.
This advanced math application assists with a wide range of mathematical problems, from basic arithmetic to calculus, algebra, and statistics. It functions as a graphing calculator replacement, aids in homework, and supports complex calculations for academic and professional use.
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 interactive calculator allows users to graph various mathematical functions, conics, and inequalities without charge. It provides instant insights into function properties like extreme points, intercepts, and asymptotes. For deeper analysis, it links to a solver that offers step-by-step evaluations, available via in-app purchase.
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 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.