Best Factorial Calculator Apps

217+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated July 2026

Finding the right factorial calculator apps can be overwhelming with so many options. We've analyzed 217+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Factorial Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Factorial CalculatorFactorial CalculatorFree5.0★ (2)YesNoMay 2026
2Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoJul 2026
3Calculator #Calculator #Free4.6★ (36K)YesYesJul 2026
4Panecal Scientific CalculatorPanecal Scientific CalculatorFree4.8★ (1.9K)YesNoJul 2026
5Calculator₊Calculator₊Free4.7★ (1.7M)YesYesJul 2026
6Calculate84Calculate84Free4.8★ (52K)YesYesJul 2026
7Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (12K)YesYesJul 2026
8Calculator Air: AI Math SolverCalculator Air: AI Math SolverFree4.7★ (81K)YesYesJul 2026

Top Picks for Factorial Calculator

Calculator for iPad!#2

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Strong Contender
🔧 Utilities
4.7😊(60K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

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.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
Calculator ##3

Calculator # by Incpt.Mobis

Scientific Calculator
Worth Considering
🔧 Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students

Room to Improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features

More Factorial Calculator apps to explore

4
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

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.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
5
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Calc +-
Free

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.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
6
Calculate84
Calculate84
Calculate84
Intended for use with TI-84
Free

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.

Fast, interactive touch-screen graphingScrollable windowsIntelligent error messages
📚 Education
(52K)
free with in-app purchases
7
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

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.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
8
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Basic, Scientific & Photo Math
Free

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.

Basic and scientific calculatorPhoto math solverAI homework helper
🔧 Utilities
(81K)
subscription
9
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

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.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
10
Scientific Calculator+ HD
Scientific Calculator+ HD
Scientific Calculator+ HD
Scientific Calculator & Chart
Free

This app offers a comprehensive scientific calculator with advanced functions like roots, powers, trigonometry, and logarithms. It also includes features for drawing graphs, managing memory, inserting constants, taking notes, and accessing a full history. Designed for students and professionals, it aims to replicate the convenience of a traditional university calculator.

Trigonometric functionsLogarithmsFactorial and double factorial
📊 Productivity
(479)
free with in-app purchases
11
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

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.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
12
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

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.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
13
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

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.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases
14
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

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.

Ad-free experienceCalculation historyVisual input
💰 Finance
(23K)
free with in-app purchases
15
Calculi: Scientific Calculator
Calculi: Scientific Calculator
Calculi: Scientific Calculator
Unit & Currency Conversion
Free

A smart and powerful calculator designed for ease of use, offering advanced scientific functions, unit and currency conversion, and a supercharged history tape. It adapts to various devices and supports external keyboards for enhanced functionality.

Complex expression solvingUnit conversion (17 categories)Currency conversion (30+ currencies)
🔧 Utilities
(374)
free with in-app purchases
16
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

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.

Scientific and graphing calculatorAI-powered math assistantComplex number calculations
📚 Education
(12K)
free with in-app purchases
17
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

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.

Basic arithmetic operationsTrigonometric functionsStatistical calculations
📚 Education
(327)
free
18
Scientific Calculator Premium
Scientific Calculator Premium
Scientific Calculator Premium
The most advanced calculator
Free

This advanced calculator offers standard scientific functions plus features like factorial calculations, graph drawing, memory blocks, and a history log. It's designed for convenience and ease of use, similar to a physical university calculator.

Factorial and double factorial calculationsGraph drawing functionalityFour memory blocks
🔧 Utilities
(283)
free with in-app purchases
19
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

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.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(15K)
freemium
20
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

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.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases

FAQ about Factorial Calculator

What are the best factorial calculator apps for iPhone?
Factorial Calculator tops our factorial calculator apps ranking as of July 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 18 of the top factorial calculator apps we rank are free to download, including Factorial Calculator and Calculator for iPad!.
Factorial Calculator shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 217+ factorial calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Factorial Calculator is a utility application designed to help users easily compute the factorial of whole numbers. It offers a straightforward interface for quick calculations.
Factorial Calculator is available on iPhone, iPad, and iPod devices. It is optimized for iOS operating systems.