Best Free Calculator Apps

4.9😊(243K ratings)

FreeAds

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
👍 Works well on iPad

Room to Improve

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

Calculator by Apple Inc.

Strong Contender

3.0😞(9.8K ratings)

Free

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

What We Love

👍 Basic calculator functionality
💡 Math notes feature
🚀 Clean, simple design

Room to Improve

🐛 Calculation errors
🔍 Lack of history/memory functions
🤔 Inconvenient to access advanced features
🤯 Frustrating to fix mistakes
🙄 Removed useful features in recent updates

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc

Worth Considering

Calculator for iPhone and iPad

4.7😞(1.7M ratings)

FreeAdsIn-App Purchases

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

More Free Calculator apps to explore

You can count on it

Basic arithmetic operationsAdvanced scientific functionsHistory bar for past calculations

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.

(15K)

Calculator - Free Calculator

by 祥祎刘

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

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

(409K)

ad-supported

Calculator HD Pro Lite

Basic & Scientific Calc

Dual-line displayCalculation historyFull scientific functions

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Freebie Simple Calculator

(51K)

ad-supported

Effortless Calculation

Calculator with History +

(0)

No ads & Scientific calculator

Ad-free experienceCalculation historyVisual input

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.

💰 Finance

(25K)

Big Button Calculator Pro Lite

Easy Basic Calculator

Large buttonsDual-line display18 color themes

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Fraction, Scientific Calc +

Basic & Scientific CalculatorLive Currency ConverterHistory Tape

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.

(358K)

Calculator·

Big Basic Calculator

Basic arithmetic operationsPercentage calculationsMultiple color schemes

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.

(34K)

Basic & Scientific Calculator

Calculator for iPad!

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)

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 Calculator with History

Basic arithmetic operationsCalculation historyMemory function

A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.

(5.1K)

basic calculation system!

Basic Calculator -

Basic calculation systemIntuitive designView present modifications

A straightforward calculator app designed for everyday use. It offers a clean interface with essential functions, displaying current calculations and providing a history of your operations. Ideal for users who prefer simplicity over advanced features.

by The App Tower Inc.

Basic calculationsOver 80 themesTheme customization

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.

(146K)

Modern Calculator with Style

Numerix Calculator

Calculator - Calculator TM

(0)

Standard, Easy, Simple to use

Standard calculation logicBasic math operationsInput equation history

A straightforward and user-friendly calculator designed for iPhone and iPad. It offers standard calculation logic, basic math operations, and a history display for convenience. Optimized for a simple and efficient user experience.

Basic Casio-style calculator

Real-world logic, no forced order of operationsRunning total displayCost, sell, margin calculations

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.