Best Square Root Calculator Apps

249+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

With an average user rating of 4.4★, the square root calculator category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Square Root Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Simple square root calculatorSimple square root calculatorFree4.8★ (15)YesNoAug 2026
2Basic Calculator+Basic Calculator+Free4.9★ (243K)YesNoAug 2026
3Square Root CalculatorSquare Root Calculator$0.99NoNoAug 2026
4Square Root Calculator SDGSquare Root Calculator SDGFree4.8★ (4)YesNoJul 2026
5SquareRootCalculatorSquareRootCalculatorFree4.3★ (34)YesNoJul 2026
6Calculator +Calculator +Free4.6★ (10K)YesYesAug 2026
7Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026
8Square Root Calculator CalConSquare Root Calculator CalConFreeNoNoMay 2026

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
📚 Education
4.8(15 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.

Basic Calculator+#2

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator
Strong Contender
🔧 Utilities
4.9😊(243K ratings)
FreeAds
Basic Calculator+ screenshot 1
Basic Calculator+ screenshot 2

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.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Straightforward, basic functionality
  • 👍 No ads or in-app purchases

Room to Improve

  • 🐛 Inconsistent click volume
  • 🐛 Ads can be intrusive or disruptive
  • 🐛 Missing backspace/delete function

More Square Root Calculator apps to explore

4
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
🔧 Utilities
(4)
ad-supported
5
SquareRootCalculator
SquareRootCalculator
SquareRootCalculator
by Jirou Fukuda
Free

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.

Square root calculationFraction calculationFour rule calculations
📊 Productivity
(34)
ad-supported
6
Calculator +
Calculator +
Calculator +
Graphing, Percentage, Triangle
Free

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.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(10K)
free with in-app purchases
7
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
🔧 Utilities
(36K)
free with in-app purchases
8
Square Root Calculator CalCon
Square Root Calculator CalCon
Square Root Calculator CalCon
Part of CalCon Calculator
Free
🔧 Utilities
(0)
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
(409K)
ad-supported
10
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
(34K)
free with in-app purchases
11
Calculator for iPhone and iPad
Calculator for iPhone and iPad
Calculator for iPhone and iPad
You can count on it
Free

A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.

Basic arithmetic operationsAdvanced scientific functionsHistory bar for past calculations
🔧 Utilities
(15K)
free with in-app purchases
12
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
13
Root Calc
Root Calc
Root Calc
by Supersonic Bionic, LLC
$0.99
🔧 Utilities
(0)
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
(25K)
free with in-app purchases
15
Root Calculator root,cube,-nth
Root Calculator root,cube,-nth
Root Calculator root,cube,-nth
Easy radicant, degree and root
Free

Easily calculate roots, radicands, and degrees for any number, including fractional values. Simply input two values, and the third will be automatically computed and highlighted.

Calculate roots of any degreeCompute radicand and degreeSupports fractional values
💰 Finance
(1)
free with in-app purchases
16
The Best Calculator
The Best Calculator
The Best Calculator
by NETIGEN KLUZOWICZ SPOLKA JAWNA
Free

A precise and free calculator offering both basic and advanced scientific functions. Its intuitive interface allows for fast and easy calculations, supporting a wide range of operators and trigonometric functions.

Basic and root operatorsScientific functions (%, √, x!, trigonometry, logarithms)Brackets and constants (π, ℯ)
🔧 Utilities
(1)
free
17
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
18
AlphaCalc - Simple Calculator
AlphaCalc - Simple Calculator
AlphaCalc - Simple Calculator
by LinkedByte Corporation
Free
🔧 Utilities
(0)
19
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
20
Four Formula Calculator
Four Formula Calculator
Four Formula Calculator
Simultaneous, Root calculation
Free
🔧 Utilities
(0)

FAQ about Square Root Calculator

What are the best square root calculator apps for iPhone?
Simple square root calculator tops our square root calculator apps ranking as of August 2026, with a 4.8-star average from 15 App Store ratings, and it's free to download.
Yes — 18 of the top square root calculator apps we rank are free to download, including Simple square root calculator and Basic Calculator+.
Simple square root calculator shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ square root calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Simple square root calculator's primary function is to accurately compute square roots and powers of numbers. It also supports calculations involving parentheses, making complex mathematical expressions easier to solve.
The application performs square root calculations with high accuracy, providing reliable results even for mathematically demanding tasks. This ensures users can trust the output for various applications.

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