Top 9 Best Calculator Android Apps – 2020

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It seems to be the right time to talk about back-to-school apps, and in this article, we'll focus on one specific app type, calculators. There are tons of calculator apps available in the Google Play Store, and many of them are good, actually. There are various different types of calculator apps, though, so we'll try and help you navigate through those. Most of you probably need a rather simple calculator app, while others require something more advanced.

Now, for the vast majority of people, Google's very own solution is a great choice. That is the first app listed below, for others, not so much. If you don't like the UI of the Google Calculator, there are apps out there that allow you to use a different one. Some apps allow you to choose the color scheme of an app only, while some are for more advanced mathematical calculations.

We cover all that in this list, actually. You'll find all sorts of different calculator apps here, and we do our best to differentiate between them. You'll also be able to find a description of every single application, along with some additional information on them. Information such as the cost of in-app purchases, the required Android version in order to use it, and even screenshots of each of these apps.

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Top 9 best Calculator Android apps 2020

Below is a quick overview of the top 9 best Calculator Android apps for 2020, including any download and in-app purchase costs.

Download CostIn-app cost (per item)
Google Calculator
RealCalc Scientific Calculator
Mobi Calculator
All-In-One Calculator$4.99
Quickey Calculator$3
CALCU$1.99-$24.99
ClevCalc$5.49
HiPER Scientific Calculator
GeoGebra Calculator Suite

Top 9 best Calculator Android apps 2020 downloads

Below is a little more information on each app, a suggestion for the type of user the app is best suited to, and a direct link for easy downloading.

All download links go to the app's Google Play Store listing. Users are always recommended to download apps from Google Play or an authorized app store.

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Best Calculator Android app for most users

Google Calculator app grid

Google Calculator

  • Price: Free to download
  • In-app purchases: No
  • Android version: 6.0+

The Google Calculator is probably the best solution for the vast majority of people. Why? Well, it's minimalistic, and quite simple to use. It does not complicate things at all, and truth be said, the vast majority of people don't need extra advanced functionality. Entry options are clearly highlighted in this application, and the digital buttons are large enough. On top of everything, the app is free and it comes with no ads.

This calculator offers basic calculations, such as addition, subtractions, multiplication, and division. It does allow you to do some scientific operations, such as trigonometric, logarithmic, and exponential functions. So, it's not exactly bare-bones in terms of sheer functionality, but it's easy to use none-the-less.

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Download Google Calculator

Best scientific Calculator app for Android

RealCalc Scientific Calculator app grid

RealCalc Scientific Calculator

  • Price: Free to download
  • In-app purchases: No
  • Android version: 1.5+

RealCalc is what you'd call a scientific calculator. This app is meant to be used by more advanced users, and it's easily one of the best scientific calculators in the Play Store. The app hasn't been updated for a long time at this point, but that's not a problem at all, as it's great as it is. The developer basically tuned it the way it should be, and there's not much more that can be added here.

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This calculator app allows you to calculate percentages, unit conversions, physical constants table, traditional algebraic or RPN operations, and so on. It also has trig functions in degrees, radians, or grads, it supports external keyboards, while a results history is also available. Binary, octal, and hexadecimal options can be enabled in the settings. This calculator is packed with features, and it's one of the most powerful calculators in the Play Store.

Download RealCalc Scientific Calculator

Best Calculator Android app for theming

Mobi Calculator app grid

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Mobi Calculator

  • Price: Free to download
  • In-app purchases: No
  • Android version: Varies with device

Mobi Calculator is a great option if you like theming. This app, in its default state, looks quite nice as well. It's minimalistic, and a good alternative for the Google Calculator. You can, however, choose various different themes to change things around. There are several different themes available, and they can considerably change your layout. These are not just options for different colors, no, they change up the whole layout of the calculator.

The app offers operation priorities, rounding, and various other calculation modes. A battery-saving dark theme is available, though it will only benefit AMOLED displays. Trigonometric functions are available, and the same goes for logarithmic functions as well. You'll find various other, basic features here, while the 'PRO' version of this app brings some additional goodies to the table.

Download Mobi Calculator

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Best Calculator Android app for added features

All In One Calculator app grid

All-In-One Calculator

  • Price: Free to download
  • In-app purchases: No
  • Android version: 5.0+

All-In-One Calculator is a rather compelling app that offers a lot of features. This calculator actually looks great to begin with, the regular one. Aside from being a calculator, it's also a converter. This app actually packs in 75 calculators and converters into a single package. When it comes to the main calculators, it comes with both simple and scientific layout. It has editable input, and cursor, while copy and paste options are also supported.

Calculation history is also included, as are memory buttons. Function graphing is possible here, while you can even get that calculator to turn into a floating one. If you need it in form of a widget, that is also doable. Aside from the main calculator, you also have algebra, and geometry functions, as well as unit converters. Step-by-step solutions are offered, as is smart search. This app is feature-packed, we haven't even scratched the surface here.

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Download All-In-One Calculator

Best Calculator Android app for color scheme options

Quickey Calculator app grid

Quickey Calculator

  • Price: Free to download
  • In-app purchases: Yes
  • Android version: 4.0+

If you like to change the color schemes of your apps frequently, the Quickey calculator app is for you. This app comes with both light and dark themes, but it also allows you to change the colors of the entire app if you want. In the provided image above, you'll see purple, blue, green, yellow, and several other colors that are at your disposal… these are not all of them, by the way.

This app also comes with a rather simple calculator UI, which is a good thing. It does include a percentage key, memory keys, tape for calculation history, answer key, an RPN calculator, and even some tips on how the calculator works. This is not the most advanced calculator app in the Play Store, but it's not supposed to be. It's a basic calculator aimed at the vast majority of consumers.

Download Quickey Calculator

Best Calculator Android app for navigating the UI

CALCU app grid

CALCU

  • Price: Free to download
  • In-app purchases: Yes
  • Android version: 4.4+

CALCU is a calculator app that brings some theming options, while it also offers various swipe gestures for UI navigation. This app will also offer you calculation results, as soon as you enter the parameters, automatically. A simple swipe up over the keyboard will reveal a scientific keypad, for more advanced calculations. If you swipe down, you'll be able to access your calculation history.

The app does support multi-window mode, and you can also customize the scientific keyboard, if you want. CALCU allows you to create user-defined constants, while you can also choose whether you'd like to use a simple or full keypad layout. The app is free to use, though it does come with ads. In-app purchases are also included, though you're not forced to buy anything.

Download CALCU

Best Calculator Android app for simple UI lovers

ClevCalc app grid

ClevCalc

  • Price: Free to download
  • In-app purchases: Yes
  • Android version: 5.0+

ClevCalc is a great option if you like simple interfaces. This calculator has large digital buttons for various calculations, while it also leaves some space between them. This app puts most focus on its General Calculator. That is the default calculator that most users will be interested in. It supports the four fundamental arithmetic operations, square, expression's parenthesis, and simple scientific operations such as trigonometric and logarithmic functions.

In addition to that, this app also offers a currency converter, unit converter, discount calculator, world time converter, GPA calculator, ovulation calculator, date calculator, health calculator, fuel efficiency calculator, sales tax calculator, loan calculator, and much more. As you can see, this is quite a versatile app.

Download ClevCalc

Best-designed scientific Calculator app for Android

HiPER Scientific Calculator app grid

HiPER Scientific Calculator

  • Price: Free to download
  • In-app purchases: No
  • Android version: 4.1+

HiPER Scientific Calculator is a great alternative to RealCalc Scientific Calculator. This app comes with a more modern design than the former, and it basically offers all the functionality you may require. It offers your basic arithmetic operations, such as percentage, modulo, and negation. On top of that, you can also calculate fractions, mixed numbers, period numbers, and so on.

Repeated operations are supported, and you can also calculate derivatives, integrals, while graphs are also available here. Trigonometric and hyperbolic functions are supported, as are roots, logarithms, and so on. Result history is available in the app, and the app also supports haptic feedback.

Download HiPER Scientific Calculator

Best Calculator Android app for graph functions

GeoGebra app grid

GeoGebra Calculator Suite

  • Price: Free to download
  • In-app purchases: No
  • Android version: 4.4+

GeoGebra Calculator is great for graph functions. It also supports equations, roots, and extrema. You'll be able to find derivatives and integrals here, and also build tables. GeoGebra allows you to create dynamic geometric constructions, and share your results afterwards. You can experience transformations with sliders thanks to this application.

If finding special points of functions is what you need, you can do that here, including roots, min, max, intersections, and so on. You'll be able to measure lengths, perimeters, and areas thanks to this application. Searching for free learning activities is also available via this application. The app is completely free to use, by the way, there are no in-app purchases included here.

Download GeoGebra Calculator Suite