8 Best Free Calculator App For iPhone

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Download the Best Free Calculator App For iPhone on the Apple Store by clicking this Button

If you are looking for the Best Free Calculator App For iPhone to download for free, look no further.

Our expert panel of reviewers has tested dozens of apps and we have compiled a list of the 8 Best Free Calculator App For iPhone that passed our tests.

Check out our list of the 8 Best Free Calculator App For iPhone, tried and tested by our expert reviewers.

8 Best Free Calculator App For iPhone

1. Basic Calculator+

Download the App on the Apple Store by clicking this Button
“This simple calculator with a clear display and large buttons makes calculations easy. Portrait and landscape modes both available on iPad. This app uses the basic functions of the calculator to make the simplest, best, free calculator in the app store.”

2. Calculator HD Pro Lite

Download the App on the Apple Store by clicking this Button
“A colorful calculator with BIG buttons, LOTS of features, and fully customizable.

・Dual-line display – shows the input and result at the same time
・History tape – saves every calculation, time and date stamped
・Memory buttons – shows its value on the display
・Percentage and backspace button
・Scientific functions
・6 layouts (3 portrait, 3 landscape)
・10 color themes
・Multi-line input for really long equations
・Automatic scientific formatting
・Label any calculation in the history tape
・E-mail a calculation or the entire history tape
・VoiceOver accessibility
・iOS 9 Split View
・3D Touch

Gestures

・Swipe down to see the history tape
・Tap & hold on the result to copy
・Tap & hold on the input to move the cursor, copy, paste, convert to E-notation

Customize

・Font Size
・Bold Font
・Color Theme
・Light Tape Background
・Show Layout Button
・Allowable Layouts
・Show Memory Buttons
・Backspace Button (Solid, Arrow)
・Replace ÷ Button With /
・Replace E Button With Hidden, EE, 00, or 000
・Show Thousands Separators
・Minimum Decimal Digits
・Maximum Decimal Digits
・Sound
・Equals Repeat
・Left-Handed Mode

URL Scheme: calculatorhdprofree://”

3. Calculator‘

Download the App on the Apple Store by clicking this Button
“Great for all ages and uses. It’s fast, handy, with an intuitive design. Everything you need right in the palm of your hand!

Enjoy the extended free functionalities of Calculator!
• Big Buttons for Easy Calculations
• Basic & Scientific Calculator
• History Tape: Track all calculations, taxes, and expenses
• Edit Equation
• Calculate with Degrees or Radians
• Memory Banks
• Choose your Decimal Notation
• Set the Number of Decimals
• Dark Mode
• Support for iPad Split View

More with Calculator Ad-Free.
Go Premium with the yearly subscription and enjoy an ad-free experience, $ 5.99 USD/year.
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>> Have any questions?
Please check out our Frequently Asked Questions in the app Settings.
If you are unable to find the answers to your questions, our support team is ready and happy to help at support@impalastudios.com!
EDIT EQUATION
You can edit both digits and operators of the current equation.
Mathematical Operations
Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input
WE LOVE FEEDBACK
As always, we appreciate your feedback.
Please email us at feedback@impalastudios.com with any suggestions or questions.
If you are happy with this update, please let us know by rating and reviewing us in the App Store!

COUNT ON CALCULATOR”

4. Calzy

Download the App on the Apple Store by clicking this Button
“Calzy is a beautiful modern calculator for your everyday use. It helps you perform your day to day mathematical calculation in a more elegant way. One of its novel features is “Memory Area” – where you can store multiple numerical values and reuse it across multiple calculating sessions with a simple drag and drop interaction. Along with calculation history, It has a unique bookmarking feature – Where you can you save any of your calculation with date and title for your future reference. Calzy can spell out the calculation result in English & 65 other languages. It is designed to look gorgeous on your iPhone, iPad and Apple Watch. It is powered by all the latest iOS technology like Drag and Drop (for both iPhone & iPad), Haptic Touch, Face ID and much more.

Features
• “Memory Area” – where you can drop multiple numerical values and reuse it
• Advanced scientific function (Quickly toggle between basic and advanced mode with Haptic touch. No more rotate to landscape)
• Drag and Drop on both iPhone & iPad
• Multitasking – slide over and split view for iPad
• History & Bookmarking with privacy mode (Face ID/Touch ID support)
• Ability to edit keypad layout
• Haptic Feedback
• Spell out (English & 65 other languages)
• Tax + , Tax – functions
• Quick toggle for both decimal and currency rounding
• Today widget and iMessage extension
• Smart parenthesis
• Spotlight search
• Apple Pencil 2 support (Double Tap Customisation)
• External Keyboard support (Press and hold the Command key to see shortcuts)
• Dynamic type support
• Custom App Icon support
• Universal app – iPhone, Apple Watch, and iPad
• Handoff support – Start on one device and resume it on another device
• iCloud sync for basic settings and history/bookmarks
• Dark / Light mode with multiple color schemes
• Regional support for countries using decimal commas
• French, German, Japanese and Simplified Chinese localization
• Instant. Calculates as you type
• Functional and easy to use
• Clean Interface & Natural gestures
• Advance, yet simple and uncluttered

Powered by all the latest iOS technology, Calzy is the calculator for the new age.”

5. PCalc

Download the App on the Apple Store by clicking this Button
“PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.

Includes an Apple Watch app, so you can calculate on your wrist!”

6. The Best Calculator – Calc Pro

Download the App on the Apple Store by clicking this Button
“***** THE TOP CALCULATOR FOR IPHONE *****
Calc Pro combines 10 powerful calculators with 10 financial worksheets!!

“Calc Pro Claims To Be The Top Mobile Calculator Because It Is.” – AppAdvice

The top mobile calculator is now available on your iPhone and iPhone plus! Calc Pro is the trusted choice by students and professionals around the world. The only calculator on the app store that can truly replace your pocket calculator. Calc Pro offers more power, more features, and more accuracy than any other mobile calculator. With ten (10) powerful calculators, ten (10) financial and eight (8) statistical worksheets, Calc Pro truly has a calculator for every occasion. Whether you are checking the latest currency rates or converting simple cooking measurements, Calc Pro makes it easy to solve even the toughest calculations.

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Features include:
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10 powerful calculators:

• Standard Calculator

• Scientific Calculator (includes RPN mode and access to constants)

• Base Conversions

• Graphing Calculator (add up to 8 equations)

• Unit Converter (over 3000 conversions in 18 categories)

• World Currencies Converter (150+ currencies updated daily)

• Constants (contains over 1500 constants in mathematics, physics, the solar system and elements)

• Financial Calculator (with 10 worksheets)

• Statistics Calculator with 8 types of regression analysis and graphing

• Date & Time Calculator (with lunar moon phases)

The Financial Calculator contains 10 powerful calculator worksheets to help solve common financial problems. E-mail your worksheets.

• Mortgage Calculator (with Amortization Tables)
• Tip Calculator
• Loan Calculator
• Time Value Money worksheet
• Financial Date worksheet
• Percentage Change worksheet
• Break Even worksheet
• Profit Margin worksheet
• Depreciation worksheet
• Compound Interest worksheet

Five display options: normal, scientific, fractions, engineering, and fixed (2-10 decimal places).

Five calculator modes: simple, algebraic, direct algebraic, expression, and RPN.

Choose from several skin styles and color schemes.

Advanced graphing functions: simultaneous graphs, find points on the graph and show tangents. E-mail your equations and graph image.

Tape View displays your recent equations and allows you to copy or email them.

Supported Languages: English, German, Spanish, Portuguese, French, Italian, Dutch, Japanese, Simplified & Traditional Chinese, Korean, and Russian.

*contains advertising.

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7. The Calculator

Download the App on the Apple Store by clicking this Button
“The #1 Calculator, trusted worldwide for 10+ years with 210M+ downloads. Calculate prices, discounts, tips, fractions, and keep track of taxes and expenses. Featured by Digital Trends, Educational App Store, and many more in their top calculator apps.

Solve any math problem, do your taxes and returns with a basic, scientific, and fraction calc. Or swap to the currency converter to calculate a foreign currency purchase. Use it at work or at school on your iPhone plus iPad.

Tip: Theme Calculator! Make The Calculator your own.
Customise your calc to fit your needs. Choose from more than 70 fun themes and calculate your numbers in style!

FREE IN THE CALCULATOR
• Basic & Scientific Calculator
• Made for iPad & iPhone
• History Tape: Save, Copy & Share Calculations
• Edit Equation
• Dictate Equations
• Memory Banks
• Choose your Decimal Notation
• Calculate with Degrees or Radians
• Set the Number of Decimals
• Supports Apple Watch, Drag & Drop, and Multitasking (iPad only)

PREMIUM IN THE CALCULATOR
Upgrade to a Premium Membership:
• 3-Day Free Trial • Ad-Free • Unlimited Fraction Calculations • Unlimited Currency Conversions (Bitcoin included) • Premium Customer Support

• Your experience is important to us!
We’re very happy with your feedback, questions, and suggestions you’re sharing with us.
Our support team is always ready to help via feedback@impalastudios.com or support@impalastudios.com.

• Loving The Calculator?
Please show your support by rating us! Thank you.

SHARE YOUR CALCULATION WHEREVER YOU ARE
Become a productivity pro! Share equations and results with other apps on your device or with your friends, teachers, and colleagues.

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 Privacy Policy: https://impalastudios.com/privacy

The Calculator (C) 2000 Impala Studios.”

8. The Expressions Calculator

Download the App on the Apple Store by clicking this Button
“ExpressionsCalculator is a multifunction scientific calculator offering a wide range of features specific for anyone looking from basic to advanced calculations. It is an ideal tool optimised for high-school and STEM university students, chemists, engineers, mathematicians and physicists.

ExpressionsCalculator is revolutionary in the way it helps you solve problems by providing you, in addition to all the basic features of a calculator, a rich sample of natural constants, a large database of commonly used formulae in mathematics, physics and chemistry, all this in a fully embedded and aware SI (MKSA), imperial (foot, pound, …) and astronomical (ly, parsec, …) units context. Hence, in ExpressionsCalculator a physical quantity has a unit. When you perform calculations, units are always taken care of and automatically simplified to provide the most sensible result. Derived units such as Newton, Joule, etc. are handled. Conversions from one unit to others are automatic. In addition, ExpressionsCalculator can also handle multi-dimensional vectorial quantities.

Here is a short overview of the other main features of ExpressionsCalculator:
– Arithmetics on integers, rational and floating numbers
– Handles very large and very small numbers (arbitrary precision arithmetic on integers)
– Extended floating point range
– Fully embedded handling of units
– Large set of available units (SI, imperial)
– Handles angles in both degrees and radians
– Full calculations with units
– Automatic conversion of units
– Vector algebra (+,-, scalar and vector products)
– Comprehensive list of natural constants with their proper units
– Comprehensive list of astronomical constants with their units
– Full periodic table with lots of properties for each element
– List of refractive indices of many materials
– Fully assignable constants with extended naming possibilities
– An extensive database of Expressions encompassing most commonly used formulae in mathematics (geometry, vectors), physics (kinematics, dynamics, thermodynamics, special relativity, atomic physics) and chemistry.”