The 19 best apps for calculators on Android and iPhone.

Looking for a calculator app that goes beyond basic math? Whether you need a scientific calculator for complex equations, a graphing calculator for visualizing functions, or a simple app for everyday calculations, there's a mobile calculator out there for you. We've rounded up the 19 best calculator apps for Android and iPhone, including top picks like Samsung Calculator for its comprehensive features, HideU for its discreet design, and Calculator for its user-friendly interface.

Top app calculator

1. Samsung Calculator

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Samsung Calculator is my go-to app for all my number crunching needs. It’s more than just a basic calculator; it's a powerhouse of features packed into a sleek, user-friendly interface. I love its ability to switch between standard and scientific modes with a simple tap, making it perfect for both everyday calculations and more complex equations. And with over 2.6 billion downloads, it’s clear that millions of people agree - Samsung Calculator is the top choice for a reliable, feature-rich app.

Samsung Calculator - Engineering calculations, Unit conversions, Calculation history

Key Features:

  • Perform basic and engineering calculations
  • Access calculation history for easy reference
  • Convert units for various measurements

✨ Read more: app for maths solution for free

2. HideU

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Cost: Free (Free), HideU Premium ($2.99/month)

HideU is a truly ingenious app calculator that cleverly disguises itself as a standard calculator on your phone, while secretly housing a vault for your most sensitive information. This app seamlessly combines the best features of several privacy apps, allowing you to hide photos, videos, files, contacts, even social media accounts and websites – all behind a secure PIN-protected calculator interface. While the occasional ad might pop up, the app's robust functionality and user-friendly design make it a standout choice for anyone seeking a truly secure and discreet way to safeguard their digital life.

HideU - Hide photos & videos, Secret media files, Privacy guard

Key Features:

  • Hides photos and videos securely
  • Protects files with a PIN code
  • Disguises itself as a calculator

✨ Read more: app lock for android

3. Calculator

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I've tried a lot of calculator apps, but "Calculator" on my phone is the one I always come back to. It's just so simple and reliable. It's got all the basic functions I need, plus some more advanced stuff for when I'm tackling tougher problems. With over 2 billion downloads, it's clearly a favorite among Android users, and I can see why. It's fast, accurate, and doesn't clutter up my screen with unnecessary features.

Calculator - Basic calculations, Scientific operations, Beautiful design

Key Features:

  • Basic arithmetic operations (add, subtract, multiply, divide)
  • Scientific functions (trigonometric, logarithmic, exponential)
  • Simple and intuitive user interface

✨ Read more: app to hide photos

4. Calculator

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The "Calculator" app on your mobile device is a versatile and indispensable tool for everyday calculations. With its intuitive interface and comprehensive features, it simplifies complex calculations, making it perfect for students, professionals, and anyone who needs to perform quick calculations on the go. The app offers a range of functionalities, including basic arithmetic, scientific calculations, and unit conversions, ensuring you have the right tools for any situation. While the app is free and widely available, it lacks some advanced features that might be desired by more experienced users. Nevertheless, the app's user-friendliness and comprehensive functionality make it a valuable asset for millions of users globally.

Calculator - Currency conversion, Loan/Mortgage calculator, Scientific functions

Key Features:

  • Basic, scientific, and loan calculators
  • Currency and unit converters
  • Edit history and view previous results

5. ClevCalc

Download:

Cost: Free (Free), ClevCalc Pro ($2.99/month)

ClevCalc is a comprehensive and versatile calculator app available on mobile devices, offering a wide range of functions beyond basic arithmetic. With over 138 million downloads, it boasts a clean and user-friendly interface, making it easy to navigate and perform calculations. ClevCalc excels in its ability to convert units, currencies, and even calculate percentages, proving to be a powerful tool for everyday tasks. However, while its user-friendliness is a major advantage, some users may find its limited scientific functionalities a drawback compared to other dedicated scientific calculators.

ClevCalc - Scientific calculator, Unit converter, Simple and intuitive

Key Features:

  • Scientific calculator with trigonometric functions
  • Unit converter for everyday measurements
  • Currency converter for multiple currencies

Other app calculator

The most important factors when choosing a app calculator

  1. Functionality: What type of calculations do you need to perform? Do you need a basic calculator, a scientific calculator, a graphing calculator, or something else?
  2. Interface: Is the app's interface easy to use and navigate? Does it have a clear layout and intuitive controls?
  3. Features: Does the app offer additional features that you find useful, such as history, memory, unit conversion, or the ability to share calculations?
  4. Security: If you're using the app to store sensitive financial information, is the app secure and privacy-focused?