OpenCalc AlternativesCalculators and other similar apps like OpenCalc

OpenCalc is described as 'A simple and beautiful calculator for Android' and is a Calculator in the education & reference category. There are more than 50 alternatives to OpenCalc for a variety of platforms, including Android, iPhone, iPad, Windows and F-Droid apps. The best OpenCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like OpenCalc are Qalculate!, Fossify Calculator, yetCalc and NumberHub.

OpenCalc iconOpenCalc
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A simple and beautiful calculator for Android.

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OpenCalc alternatives page was last updated Sep 30, 2024
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Alternatives
  1. SpeedCrunch icon

    SpeedCrunch

     285 likes
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    SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

    129 SpeedCrunch alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    on kde
    Discontinued

    Last release 2016. Only available in Windows 32-bit binary.

    Properties

    1.  Support for Themes
    2.  Lightweight
    3.  Privacy focused

    Features

    1.  Variables
    2.  Persistent History
    3.  Portable
    4.  Input history
    5.  Live Preview
    6.  Syntax Highlighting
    7.  Ad-free
    8.  Works Offline
    9.  No registration required
    10.  Activity history
    11.  Multiple languages
    12.  Inline editing

    SpeedCrunch VS OpenCalc

     

    • SpeedCrunch is the most popular Windows, Mac & Linux alternative to OpenCalc.

    • SpeedCrunch is the most popular Open Source & free alternative to OpenCalc.

    • SpeedCrunch is Free and Open SourceOpenCalc is also Free and Open Source
    • SpeedCrunch is Lightweight and Privacy focusedOpenCalc is not according to our users
  2. Qalculate! icon

    Qalculate!

     98 likes
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    Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).

    114 Qalculate! alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • SE flagSweden
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    Main window

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Unit converter
    2.  Currency Conversion
    3.  Graphing calculator
    4.  Natural Language Processing
    5.  Persistent History
    6.  Variables
    7.  Ad-free
    8.  No registration required
    9.  Exchange rates
    10.  Works Offline
    11.  Portable
    12.  Dark Mode

    Qalculate! VS OpenCalc

     
  4. Fossify Calculator icon

    Fossify Calculator

     21 likes
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    Introducing Fossify Calculator – your versatile and efficient tool for all your calculation needs. Enjoy a stylish, modern design paired with powerful functionality, perfect for both simple calculations and more complex tasks like currency conversion.

    56 Fossify Calculator alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Fossify Calculator screenshot 1
    Fossify Calculator screenshot 2
    Fossify Calculator screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Support for Themes
    4.  Customizable

    Features

    1.  Ad-free
    2.  No registration required
    3.  Dark Mode
    4.  No Tracking
    5.  Works Offline
    6.  Unit converter
    7.  Activity history

    Fossify Calculator VS OpenCalc

     

    • Fossify Calculator is the most popular Android alternative to OpenCalc.

    • Fossify Calculator is Free and Open SourceOpenCalc is also Free and Open Source
    • Fossify Calculator is Lightweight and Privacy focusedOpenCalc is not according to our users
  5. yetCalc icon

    yetCalc

     7 likes
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    The free and open source calculator developed for Android 5.0 and above using Kotlin. yetCalc's calculator mode uses the mXparser library. Large calculations are handled without device freezing and other issues, although some calculations might take time.

    32 yetCalc alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Basic mode in dark theme

    Properties

    1.  Privacy focused

    Features

    1.  Dark Mode
    2.  Ad-free
    3.  No registration required
    4.  Currency Conversion
    5.  Unit converter
    6.  Scientific Calculator

    yetCalc VS OpenCalc

     
  6. NumberHub icon

    NumberHub

     4 likes
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    Calculator, converter and so much more!.

    59 NumberHub alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    NumberHub screenshot 1
    NumberHub screenshot 2
    NumberHub screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  Currency Conversion
    3.  Dark Mode
    4.  Ad-free
    5.  Works Offline
    6.  Unit converter

    NumberHub VS OpenCalc

     
  7. GeoGebra Scientific Calculator icon

    GeoGebra Scientific Calculator

     8 likes
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    Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

    136 GeoGebra Scientific Calculator alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • AT flagAustria
    • European Union flagEU

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    GeoGebra Scientific Calculator screenshot 1

    Properties

    1.  Privacy focused
    2.  Educational

    Features

    1.  Ad-free

    GeoGebra Scientific Calculator VS OpenCalc

     

    • GeoGebra Scientific Calculator is the most popular Web-based, iPhone, iPad & Android Tablet alternative to OpenCalc.

    • GeoGebra Scientific Calculator is Free and Open SourceOpenCalc is also Free and Open Source
    • GeoGebra Scientific Calculator is Privacy focusedOpenCalc is not according to our users
  9. Calculator You icon

    Calculator You

     4 likes
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    Discover the ultimate calculator experience with our beautifully designed app, featuring 60+ stunning color themes to match your style. Whether you're tackling complex scientific equations or simple everyday calculations, our powerful and user-friendly interface makes it all...

    53 Calculator You alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Calculator You screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  Currency Conversion
    3.  Dark Mode
    4.  Ad-free
    5.  Works Offline
    6.  Material design
    7.  Unit converter

    Calculator You VS OpenCalc

     
  10. Google Calculator icon

    Google Calculator

     43 likes
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    Calculator provides simple and advanced mathematical functions in a beautifully designed app.

    165 Google Calculator alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • Chrome OS
    • Android Tablet
    • Android Wear
    Google Calculator screenshot 1

    Google Calculator Features

    1.  Ad-free

    Google Calculator VS OpenCalc

     
  11. Calc You icon

    Calc You

     4 likes
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    Privacy focused calculator app built with MD3.

    60 Calc You alternatives

    License model

    • Free • Open Source

    Country of Origin

    • FI flagFinland
    • European Union flagEU

    Platforms

    • Android
    • F-Droid
    Calc You screenshot 1
    Calc You screenshot 2
    Calc You screenshot 3

    Properties

    1.  Privacy focused

    Calc You VS OpenCalc

     
  12. Simple Calculator icon

    Simple Calculator

     7 likes
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    A calculator with the basic functions and a customizable widget.

    96 Simple Calculator alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • SK flagSlovakia
    • European Union flagEU

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Simple Calculator screenshot 1
    Simple Calculator screenshot 2
    Simple Calculator screenshot 3
    Warning

    The Simple Mobile Tools suite of mobile apps have been bought by ZipoApps in December 2023, and now show some ads, while not being open source anymore. If you're looking for something similar to the original Simple Mobile Tools apps, you should take a look at the Fossify suite of apps (listed on AlternativeTo). More information here: Simple Mobile Tools bought by ZipoApps, sparks controversy over future of open source apps

    Properties

    1.  Customizable

    Features

    1.  Dark Mode
    2.  Widgets
    3.  Image personalization
    4.  Unit converter

    Simple Calculator VS OpenCalc

     
  13. Calculator++ icon

    Calculator++

     12 likes
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    Calculator++ is an advanced, modern and easy to use scientific calculator.

    105 Calculator++ alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Calculator++ screenshot 1

    Calculator++ Features

    1.  No registration required
    2.  Ad-free
    3.  Widgets
    4.  Unit converter

    Calculator++ VS OpenCalc

     
  14. Windows Calculator icon

    Windows Calculator

     25 likes
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    A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.

    136 Windows Calculator alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    Windows Calculator screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  Currency Conversion
    3.  No registration required
    4.  Dark Mode
    5.  Ad-free
    6.  Bundled with Windows

    Windows Calculator VS OpenCalc

     
12 of 76 OpenCalc alternatives