This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.






229+ iOS apps curated and reviewed
Out of 229+ square root apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.






This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.




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.



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.


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.




This app offers a comprehensive scientific calculator with advanced functions for math, finance, and engineering. It includes unit and currency conversion, a constants library, and a biorhythm calculator for daily insights. The interface is intuitive and supports multiple calculation modes.




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.




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.


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.


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.


This educational game makes learning square roots fun for the whole family. Navigate a marble through challenging levels, using operators and square roots to reach the correct destination value before time runs out.


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.


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.


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.


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.


This app provides comprehensive math homework assistance, offering step-by-step solutions for a wide range of high school and university level problems. It functions as a graphing, scientific, algebra, calculus, and integration calculator, with the ability to visualize equations in 2-D and 3-D.


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.


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.