Best Calculator Apps for Android and iPhone


Calculators can save you a huge amount of time whether it’s trying to find the answer to an algebra problem or calculating how much to tip the wait staff once you’ve finished your meal. Below is a list of some of the best calculators for Android and iPhone. If you know of a title or two that should be on the list, make sure you jump into the comment and let us know.

Desmos Graphing Calculator

Desmos Graphing Calculator is a great tool when viewing graphical equations. Plot polar, cartesian, and parametric graphs and use sliders to visualize parameter changes on the graph. Use pinch-to-zoom to zoom in to your graphs and tap the graph to see coordinates. Desmos Graphing Calculator lets you view graphs offline or login and see your graph on any device.

  • Download Desmos Graphing Calculator: iOS / Android


Photomath is one of the most popular Calculator apps available. Use Photomath to solve basic math such as fractions to more complex concepts like integrals. Select from multiple ways to solve an equation and get step-by-step explanations including animations, on how to reach the answer. Photomath includes a scientific calculator and then the entire app can be used offline if necessary.


Remember the Star Trek computer? It’s finally happening–with Wolfram|Alpha. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world’s definitive source for instant expert knowledge and computation. Across thousands of domains–with more continually added–Wolfram|Alpha uses its vast collection of algorithms and data to compute answers and generate reports for you. Parts of Wolfram|Alpha are used in the Apple Siri Assistant; this app gives you access to the full power of the Wolfram|Alpha computational knowledge engine.

MyScript Calculator 2

MyScript Calculator 2 lets you write your math problems on screen and the app reads them and provides the answer to you. Scratch out part of the equation, add something new, and watch the app give you the new answer. Some of the math operations supported include Basic operations: +, -, ×, ÷, /, ·, Powers, roots, exponentials: 7², √, ∛, e³, miscellaneous operations: %, |5|, 3! and, Brackets: ( ).

GeoGebra Graphing Calculator

GeoGebra Graphing Calculator is another good graphing calculator app. Use the app to plot functions, parametric and polar curves. Get special points of functions: roots, min, max, intersections. Do regression with best-fit lines. Use the app to find free learning activities and share your results with friends and teachers.

  • Download GeoGebra Graphing Calculator: iOS / Android


ClevCalc provides you, various calculators, for many everyday tasks. Use the Unit converter app to convert length, weight, width, volume, time, temperature, pressure, speed, fuel efficiency, among other conversions used on a regular basis. There are over 15 calculators available to help you with things such as currency, world time, and how much tip you should leave after a meal. All these calculators are wrapped in a clean, slick, and easy to use interface.

HiPER Scientific Calculator

HiPER Scientific Calculator is a popular calculator with more than 16 million downloads and 100 000 five-star ratings. The calculator has up to 100 digits of significance and 9 digits of exponent. It detects repeating decimals and numbers can be also entered as fractions or converted to fractions. You can write expressions in a natural way and watch your calculations. The result is displayed as a number, simplified expression, etc.

  • Download HiPER Scientific Calculator: iOS / Android

Other great apps lists

Steve Raycraft
I'm a grandfather of 4 that grew up with technology in my blood. I was first introduced to Android with the Samsung Fascinate and I've been hooked ever since. I love the customization that Android offers the user to personalize their phone. I enjoy writing and have been blessed with the opportunity to share this passion for Android with others.

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