Best Scientific Calculator Calculus Apps

240+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated July 2026

Calculator + is the household name in scientific calculator calculus, but it's far from the only option. We track 240+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Scientific Calculator Calculus Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator +Calculator +Free4.6★ (10K)YesYesAug 2026
2Calculator ∞Calculator ∞$5.994.7★ (6.3K)NoYesAug 2026
3Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026
4Calculator⁼Calculator⁼Free4.6★ (358K)YesYesAug 2026
5Desmos Scientific CalculatorDesmos Scientific CalculatorFree4.3★ (332)NoNoAug 2026
6Calculus doodlusCalculus doodlusFree4.8★ (540)YesYesAug 2026
7Graphing Calculator X84Graphing Calculator X84Free4.5★ (50K)YesYesAug 2026
8Calculi: Scientific CalculatorCalculi: Scientific CalculatorFree4.4★ (374)NoYesAug 2026

Top Picks for Scientific Calculator Calculus

Calculator +#1

Calculator + by xNeat.com

Graphing, Percentage, Triangle
Editor's Choice
🔧 Utilities
4.6😊(10K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
Calculator ∞#2

Calculator ∞ by Incpt.Mobis

The Best Scientific Calculator
Strong Contender
📚 Education
4.7(6.3K ratings)
$5.99In-App Purchases
Calculator ∞ screenshot 1
Calculator ∞ screenshot 2
Calculator ∞ screenshot 3
Calculator ∞ screenshot 4
Calculator ∞ screenshot 5
Calculator ∞ screenshot 6

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.

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 Scientific Calculator Calculus apps to explore

4
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Basic & Scientific CalculatorLive Currency ConverterHistory Tape
🔧 Utilities
(358K)
free with in-app purchases
5
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos
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
(332)
free
6
Calculus doodlus
Calculus doodlus
Calculus doodlus
Friendly everyday calculator
Free

This app offers a multi-page calculator with automatic saving and advanced functions like percentage and VAT calculation. It uniquely presents calculations in an interactive, handwritten style that can be customized with your own script.

Multi-page interfaceAutomatic work savingPercentage calculation
🔧 Utilities
(540)
free with in-app purchases
7
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Graphing of functionsStatistics and regression analysisMatrix operations
📚 Education
(50K)
free with in-app purchases
8
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
9
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
10
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

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.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(61K)
free
11
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.2K)
free with in-app purchases
12
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation
🔧 Utilities
(4.3K)
free with in-app purchases
13
Scientific Calculator - Cal
Scientific Calculator - Cal
Scientific Calculator - Cal
A Better Scientific Calculator
Free

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.

Natural input expression entryInstant calculation resultsNumber and expression format display
🔧 Utilities
(1)
free with in-app purchases
14
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
NCalc & CalcES Calculator 115
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
15
Calculator ⁺⁻
Calculator ⁺⁻
Calculator ⁺⁻
Basic & scientific calculator
Free

This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.

Basic and scientific calculator modesOver 30 scientific operationsCalculation history view
🔧 Utilities
(40)
ad-supported
16
HiPER Scientific Calculator
HiPER Scientific Calculator
HiPER Scientific Calculator
by Jindrich Houska
Free

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.

Symbolic algebraIntegrals and derivativesHigh precision calculations
🔧 Utilities
(243)
free with in-app purchases
17
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email
🔧 Utilities
(3.6K)
free
18
Scientific Calculator fx-991
Scientific Calculator fx-991
Scientific Calculator fx-991
Step-by-step Math Solver
Free

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.

Step-by-step equation solverAdvanced scientific functionsGraphing mode
📚 Education
(381)
free with in-app purchases
19
Calculator
Calculator
Calculator
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
20
Calculator´
Calculator´
Calculator´
Basic - Advanced - Scientific
Free

This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.

Live results and natural feel UIUser-definable advanced functionsHistory log with easy access
📊 Productivity
(465)
free with in-app purchases

FAQ about Scientific Calculator Calculus

What are the best scientific calculator calculus apps for iPhone?
Calculator + tops our scientific calculator calculus apps ranking as of July 2026, with a 4.6-star average from 10K App Store ratings, and it's free to download.
Yes — 18 of the top scientific calculator calculus apps we rank are free to download, including Calculator + and Calculator #.
Calculator + shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 240+ scientific calculator calculus apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Upgrades unlock specialized calculators for advanced users. These include a fraction calculator with unit support (feet, inches, cm), a polynomial solver for quadratic and cubic equations, a linear equations solver, a graphing calculator to find min/max and intersection points, and calculators for various geometric shapes like triangles and cones. A base converter is also available.
The app offers a free basic and scientific calculator. Additional advanced features and specialized calculators are available through in-app purchases, allowing users to upgrade to specific functionalities they need.