1. Home
  2. Topics
  3. Smart Calculator

Best Smart Calculator Apps

226+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

Finding the right smart calculator apps can be overwhelming with so many options. We've analyzed 226+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Smart Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculate84Calculate84Free4.8★ (52K)YesYesAug 2026
2Calculator₊Calculator₊Free4.7★ (1.7M)YesYesAug 2026
3Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026
4CALC Smart Calculator ±CALC Smart Calculator ±Free was $5.994.8★ (2.4K)NoYesAug 2026
5Calculator with History +Calculator with History +Free4.7★ (25K)NoYesAug 2026
6Smart Calculator - All In OneSmart Calculator - All In OneFree—NoNoMay 2026
7Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (12K)YesYesAug 2026
8Smart Calculator - SmartCalcSmart Calculator - SmartCalcFree4.5★ (22)YesNoAug 2026

Top Picks for Smart Calculator

Calculate84#1

Calculate84 by Century Light LLC

Intended for use with TI-84
Editor's Choice
📚 Education
4.8😊(52K ratings)
FreeAdsIn-App Purchases
Calculate84 screenshot 1
Calculate84 screenshot 2
Calculate84 screenshot 3
Calculate84 screenshot 4

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.

What We Love

  • 👍 Identical to TI-84 calculator
  • 🚀 Seamless and intuitive user experience
  • 💰 Affordable alternative to physical calculator
  • 📱 Convenient to have on phone

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔍 Missing some advanced features like regression types
  • 🔒 Previous purchases removed without warning
Calculator₊#2

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc
Strong Contender
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
Calculator₊ screenshot 1
Calculator₊ screenshot 2
Calculator₊ screenshot 3
Calculator₊ screenshot 4
Calculator₊ screenshot 5
Calculator₊ screenshot 6

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.

What We Love

  • 💻 Useful calculator features
  • 🎨 Customizable backgrounds and themes
  • 📚 Helpful history tracking

Room to Improve

  • 📺 Intrusive full-screen ads
  • 💰 Expensive subscription model
  • 🔍 Ads blocking calculator functionality
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 Smart Calculator apps to explore

4
CALC Smart Calculator ±
CALC Smart Calculator ±
CALC Smart Calculator ±
Basic « Scientific » Advanced
Free
$5.99 | 100% OFF

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

Real-time resultsUnit and currency conversionsCustom functions and constants
🔧 Utilities
(2.4K)
free with in-app purchases
5
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
(25K)
free with in-app purchases
6
Smart Calculator - All In One
Smart Calculator - All In One
Smart Calculator - All In One
Solve, convert & claculate
Free
🔧 Utilities
(0)
7
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
8
Smart Calculator - SmartCalc
Smart Calculator - SmartCalc
Smart Calculator - SmartCalc
Inputs are always displayed!
Free

This calculator app displays all input numbers and calculation history, allowing users to easily review and edit previous entries. It offers a large, four-line display for clear visibility and includes set memory in addition to independent memory.

Four-line displayEditable input numbersCalculation history recall
🔧 Utilities
(22)
ad-supported
9
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Decimal Converter,Construction
Free

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

Add, subtract, multiply, and divide fractionsConvert fractions to decimalsAutomatically simplifies fractions
📊 Productivity
(22K)
free with in-app purchases
10
Smart Calculator·
Smart Calculator·
Smart Calculator·
cute calculator,History count
Free

This app offers a comprehensive suite of mathematical calculation tools, from basic arithmetic to advanced calculus and matrix operations. It also includes unit conversions and saves your calculation history for easy review. Personalize your experience with themes and night mode.

Comprehensive calculation functionsAdvanced mathematical operationsUnit conversion
🔧 Utilities
(2)
free
11
Calculator +ㅤ
Calculator +ㅤ
Calculator +ㅤ
Math, Scientific & Fraction
Free

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Snap and Scribble CalculatorBasic CalculatorScientific Calculator
🔧 Utilities
(4.5K)
subscription
12
MathPapa - Algebra Calculator
MathPapa - Algebra Calculator
MathPapa - Algebra Calculator
Algebra Calculator & Solver
Free

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.

Step-by-step equation solvingLinear and quadratic equation solverLinear and quadratic inequality solver
📚 Education
(17K)
freemium
13
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
(60K)
free
14
Calculator Smart
Calculator Smart
Calculator Smart
Scientific & Standard Calc
Free

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

30+ scientific operationsDegrees and Radians supportParentheses and nested equations
🔧 Utilities
(492)
free with in-app purchases
15
Smart Calculator-With History
Smart Calculator-With History
Smart Calculator-With History
Easy, simple and intuitive
Free

This calculator app displays mathematical formulas as you type, preventing errors. It offers a history for easy editing, formula references, and sheet management. Customize its appearance with different skins and enjoy a pleasant computing experience with sound and vibration options.

Formula display for error preventionCalculation history for editingSheet management function
🔧 Utilities
(16)
free with in-app purchases
16
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
17
Smart-calc
Smart-calc
Smart-calc
Smart calculator
Free

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific and geometric computations. Users can customize settings like lighting and sound effects for a personalized experience.

Basic arithmetic operationsAdvanced scientific calculationsComplex trigonometric functions
📚 Education
(2)
free
18
Haseba Calculator
Haseba Calculator
Haseba Calculator
Basic, Scientific, Easy to Use
Free

This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.

Scientific calculatorVoice calculatorCalculation history
🔧 Utilities
(3.8K)
free with in-app purchases
19
Calculator Max
Calculator Max
Calculator Max
Modern All-in-One Calculator
Free
$0.99 | 100% OFF

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

Basic and scientific calculatorsHistory tape with export optionsHandwritten notes and equation solving
🔧 Utilities
(1.8K)
free with in-app purchases
20
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

Looking for something similar to smart calculator?

Explore related topics

smart
smart points calculator
password lock
homework answers
picture lock
geometry
graphing calculator
lock photos
education

FAQ about Smart Calculator

What are the best smart calculator apps for iPhone?
Calculate84 tops our smart calculator apps ranking as of July 2026, with a 4.8-star average from 52K App Store ratings, and it's free to download.
Yes — 20 of the top smart calculator apps we rank are free to download, including Calculate84 and Calculator₊.
Calculate84 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 226+ smart calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Calculate84 provides a modern graphing calculator experience directly on your iPhone. It aims to replicate the functionality of physical graphing calculators with a user-friendly interface, featuring fast touch-screen graphing and scrollable windows.
Key features include fast and interactive touch-screen graphing, scrollable windows for easier navigation, and intelligent error messages to help users understand and correct mistakes. The interface is designed to be intuitive and familiar.

Related searches

calc smart calculator ±smart calculator-with historysmart calculator - smartcalcsmart calculator·smart calculator and convertersmart calculator+smart calculator - all in onesmart calculator prosmart calculator plus