Best Square Root Calculator Apps

234+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated June 2026

With an average user rating of 4.7β˜…, the square root calculator category is one of the App Store's strongest. Browse all 234+ apps we track, sorted so the most loved ones surface first.

Top Picks for Square Root Calculator

Simple square root calculator#1

Simple square root calculator by MINERVA K.K.

Apps for Math.Easy calculation
Editor's Choice
πŸ“š Education
4.5(2 ratings)
FreeAds
Simple square root calculator screenshot 1
Simple square root calculator screenshot 2
Simple square root calculator screenshot 3
Simple square root calculator screenshot 4
Simple square root calculator screenshot 5
Simple square root calculator screenshot 6

Easily calculate square roots and powers with this intuitive tool. It handles complex calculations, including those with parentheses, providing accurate results for everyday use, learning, and research.

Calculator +#2

Calculator + by xNeat.com

Scientific Calc Plus Fraction
Strong Contender
πŸ”§ Utilities
4.6😊(9.6K 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

  • πŸ‘ Great features and easy to use
  • πŸ‘ Efficient and quick
  • πŸ‘ Versatile, functional calculator
  • πŸ‘ Fantastic, easy to use app

Room to Improve

  • πŸ› New updated layout is awful
  • πŸ› App is now terrible
  • πŸ”’ Paying customer screwed over by update
SquareRootCalculator#3

SquareRootCalculator by Jirou Fukuda

Worth Considering
πŸ“Š Productivity
4.3(34 ratings)
FreeAds
SquareRootCalculator screenshot 1
SquareRootCalculator screenshot 2
SquareRootCalculator screenshot 3

This calculator simplifies square root and fraction calculations. It handles complex rationalizations with high precision, preventing digit overflow for long integers. Easily perform basic arithmetic operations with square roots.

More Square Root Calculator apps to explore

4
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
πŸ”§ Utilities
(243K)
free with in-app purchases
5
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

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.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
πŸ”§ Utilities
(36K)
free with in-app purchases
6
Square Root Calculator SDG
Square Root Calculator SDG
Square Root Calculator SDG
Easy Square Root Calculator
Free

This utility app provides a straightforward way to calculate the square root of any number. Its simple interface makes it easy to use for quick calculations.

Calculate square rootsEasy to use interfaceQuick calculations
πŸ”§ Utilities
(4)
ad-supported
7
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)
πŸ”§ Utilities
(60K)
free
8
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
πŸ“š Education
(50K)
free with in-app purchases
9
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
πŸ”§ Utilities
(3.1K)
free with in-app purchases
10
Square Root Calculator
Square Root Calculator
Square Root Calculator
Square Root
$0.99
πŸ“š Education
(0)
11
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
πŸ”§ Utilities
(404K)
ad-supported
12
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
πŸ“š Education
(6.2K)
free with in-app purchases
13
Calculator 17 - Math Solver
Calculator 17 - Math Solver
Calculator 17 - Math Solver
Home Screen Widget
Free

This app offers a user-friendly calculator with basic and scientific modes. Access calculations instantly via a home screen widget and review past computations in a saved history.

User-friendly interfaceBasic and scientific modesHome screen widget
πŸ”§ Utilities
(908)
free
14
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.

High precision calculation engineResults displayed while typingMultiple undo functionality
πŸ”§ Utilities
(268)
ad-supported
15
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
πŸ”§ Utilities
(3K)
ad-supported
16
CalculatorΒ·
CalculatorΒ·
CalculatorΒ·
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
πŸ”§ Utilities
(33K)
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
πŸ”§ Utilities
(3.6K)
free
18
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
πŸ’° Finance
(23K)
free with in-app purchases
19
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
πŸ“š Education
(12K)
free with in-app purchases
20
Calculator 3.0
Calculator 3.0
Calculator 3.0
Calculations Simplified
Free

A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.

Customizable themesScientific calculatorUnit converter
πŸ”§ Utilities
(3.5K)
free