Best Complex Numbers Apps & Games

178+ iOS apps & games curated and reviewed

4.3 avg rating
18 free apps & games
Updated May 2026

Whether you're new to complex numbers or looking for an upgrade, our curated collection of 178+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Complex Numbers

A Complex Calc#1

A Complex Calc by Antonio Ruffolo

Editor's Choice
🔧 Utilities
4.7(23 ratings)
Free
A Complex Calc screenshot 1

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.

Complex RPN Calculator#3

Complex RPN Calculator by John Coddington

Complex Numbers RPN Calculator
Worth Considering
🔧 Utilities
3.8(22 ratings)
Free
Complex RPN Calculator screenshot 1
Complex RPN Calculator screenshot 2
Complex RPN Calculator screenshot 3
Complex RPN Calculator screenshot 4
Complex RPN Calculator screenshot 5
Complex RPN Calculator screenshot 6

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.

More Complex Numbers apps to explore

4
GanKomplex
GanKomplex
GanKomplex
Complex numbers exercises
Free
📚 Education
(0)
5
Calculator for Complex Field
Calculator for Complex Field
Calculator for Complex Field
Everyday + professional uses
Free

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.

Natural math expression inputAutomatic result displayInput revision for updated results
🔧 Utilities
(4)
free
6
Complex Calc
Complex Calc
Complex Calc
by Yevhen Pyvovarov
Free

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.

Rectangular to exponential form conversionExponential to rectangular form conversionFour basic operations with complex numbers
📚 Education
(2)
free
7
Color By Number! Pixel Art
Color By Number! Pixel Art
Color By Number! Pixel Art
Paint Coloring Pages Fun Game
Free

This app offers a vast collection of pixel art images for users to color by number. It provides a relaxing and creative experience with daily updates and a wide variety of categories suitable for all ages. Enjoy creating digital art and sharing your masterpieces.

Thousands of pixel art imagesDaily new artwork addedOver 60 categories
🎮 Games
(8.7K)
free with in-app purchases
8
Line Puzzle: Pipe Art
Line Puzzle: Pipe Art
Line Puzzle: Pipe Art
Connect pipes, fill the board!
Free

Connect pipes of the same color to create vibrant patterns and fill the entire board. This puzzle game offers over 1,000 levels with no time limits or penalties, allowing you to play at your own pace. Enjoy a relaxing yet challenging experience with colorful graphics and fun sound effects.

Connect matching colors with pipelinesFill the entire board to solve puzzlesPipes cannot overlap
🎮 Games
(29K)
free with in-app purchases
9
FX Algebra Solver
FX Algebra Solver
FX Algebra Solver
by Euclidus Inc
Free

Solve algebra homework and textbook problems with this comprehensive math software. It offers animated step-by-step solutions, a scientific and graphing calculator, and a user-friendly editor for various algebra levels.

Animated step-by-step solutionsScientific calculatorGraphing calculator
📚 Education
(92)
free with in-app purchases
10
FX Math Solver
FX Math Solver
FX Math Solver
by Euclidus Inc
Free

Solve math homework and textbook problems with this comprehensive solver. It offers animated step-by-step solutions for a wide range of math topics, from basic operations to calculus. Includes a scientific and graphing calculator.

Animated step-by-step solutionsScientific calculatorGraphing calculator
📚 Education
(86)
free with in-app purchases
11
Fraction Calculator Plus
Fraction Calculator Plus
Fraction Calculator Plus
Calculate fraction numbers
Free

Solve fraction math problems with ease using this application. It offers a clean interface and allows for the calculation of multiple fractions simultaneously. Inputting mixed numbers is also made simple with dedicated keypads.

Solve fraction math problemsInput mixed numbers easilyCalculate multiple fractions
🔧 Utilities
(3.7K)
free with in-app purchases
12
Dark Color: Paint by Number
Dark Color: Paint by Number
Dark Color: Paint by Number
Dark Christmas, Creepy Xmas
Free

Engage in a unique paint-by-number coloring experience with a focus on moody tones, surreal art, and detailed illustrations. Relax, focus, and explore your creativity with atmospheric visuals and intuitive controls.

Expressive and surreal illustrationsIntuitive tap-to-color gameplayOffline coloring available
🎮 Games
(20K)
free with in-app purchases
13
15C Pro Scientific Calculator
15C Pro Scientific Calculator
15C Pro Scientific Calculator
HP 15C emulator
$5.99

This app emulates the HP 15C scientific calculator, offering advanced functions like complex numbers, matrix operations, numerical integration, and root finding. It provides the same capabilities as the original hardware with enhanced performance for your mobile device.

Complex number supportMatrix operationsNumerical integration
🔧 Utilities
(277)
paid
14
Numerical³
Numerical³
Numerical³
The Calculator Without Equal
Free

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

No equals button interfaceAutomatic bracket handlingFull scientific keypad
🔧 Utilities
(1.3K)
paid
15
Vimi: My Math Tutor
Vimi: My Math Tutor
Vimi: My Math Tutor
Master math with Vimi
Free

This AI-powered math tutor creates personalized learning paths to help users master math concepts. It offers adaptive lessons, clear explanations, and engaging exercises tailored to school curricula, making learning approachable and fun.

Personalized learning pathsAdaptive lessonsCurriculum-aligned content
📚 Education
(315)
free
16
Plottron
Plottron
Plottron
3D graphing calculator
Free

This application offers advanced 2D and 3D graphing capabilities for various function types, alongside a comprehensive scientific calculator. It supports implicit graphing, complex number visualization, and symbolic differentiation. The calculator includes user-defined variables, live evaluation, and probability density functions.

2D and 3D graphingImplicit graphingComplex number visualization
🔧 Utilities
(11)
free
17
Complex Vector Calc
Complex Vector Calc
Complex Vector Calc
Vector math for everyone
$1.99

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.

Vector and complex number calculationsRectangular to polar form conversionInteractive real-time graphing
🔍 Reference
(4)
paid
18
Scientific Calculator He-36X
Scientific Calculator He-36X
Scientific Calculator He-36X
HiEdu: Science & Math Pro
Free

This advanced calculator app provides comprehensive tools for complex math and science problems. It offers step-by-step solutions, graphing capabilities, a unit converter, and an extensive formula library to aid learning and problem-solving for students and educators.

Complex number, vector, and matrix calculationsStep-by-step equation solvingAdvanced graphing function
📚 Education
(5)
free with in-app purchases
19
Evaluate
Evaluate
Evaluate
Expression calculator. Fast.
Free

This app allows users to input and calculate complex mathematical expressions using a familiar keyboard interface. It provides a scrolling history for easy access to previous calculations, making it a handy tool for solving advanced formulas.

Complex expression calculationUser-friendly keyboard inputScrolling calculation history
📊 Productivity
(11)
free
20
Math Animations (Grades 1-8)
Math Animations (Grades 1-8)
Math Animations (Grades 1-8)
"To see" how math works!
Free

Visually demonstrates fundamental mathematical concepts through short, engaging animations. Ideal for educators and students seeking a clearer understanding of core principles from primary to lower secondary levels.

Visual explanations of math conceptsCovers arithmetic operationsDemonstrates geometry principles
📚 Education
(20)
free