245+ iOS apps curated and reviewed
Complex Calc is the household name in complex calc, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 2 |  | Free | 4.7★ (23) | No | No | Aug 2026 |
| 3 |  | Free | 3.8★ (22) | No | No | Jul 2026 |
| 4 |  | Free | — | — | No | Jul 2026 |
| 5 |  | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 |
| 6 |  | $1.99 | 3.0★ (4) | No | No | May 2026 |
| 7 |  | Free | 5.0★ (4) | No | No | May 2026 |
| 8 |  | Free | 4.7★ (15) | Yes | Yes | Aug 2026 |
Perform advanced calculations with complex numbers, including conversions between rectangular and exponential forms. Features quick copy-paste functionality and automatic dark mode for a seamless user experience.
Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.
This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.
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 provides tools to calculate, visualize, and understand vectors and complex numbers. It offers interactive graphing, animated examples, and built-in formulas for students, teachers, and professionals. Easily export reports and review past calculations.
Input natural math expressions and get instant results on a separate line, allowing for easy revisions. Save up to 20 inputs and incorporate saved answers into new expressions. Supports complex field calculations with adjustable decimal digits and three output formats.
This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.
Perform calculations with complex numbers. Input real and imaginary parts or modulus and argument to find sums, differences, products, or quotients.
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This comprehensive calculator app offers advanced scientific, graphing, and matrix functions. It includes tools for solving equations, performing statistical analysis, and converting units. A built-in reference guide covers various math and science topics.
This app offers a comprehensive suite of advanced mathematical tools, including a scientific calculator, graphing capabilities, matrix and vector operations, and solvers for polynomials and linear equations. It also features a unit converter and a math reference guide.
A programmable scientific calculator offering a classic aesthetic with modern functionality. It features a dynamic stack display, customizable buttons, and support for multiple data types, making complex calculations intuitive and accessible.
This math tool helps you solve right triangle problems by calculating the hypotenuse or other sides with detailed, step-by-step visual solutions. It's designed for easy input of two side lengths to find the third, making algebra and geometry calculations straightforward.
