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Calculator vs PowerToys

Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.

Calculator

Open source · MIT

The Windows Calculator app source code, the one that ships pre-installed with Windows.

PowerToys

Open source · MIT

A set of Windows utilities for customizing the desktop and speeding up everyday tasks.

The short answer

Choose Calculator if you need…

  • Windows 11 users who want to read or modify the built-in calculator
  • Developers studying how a XAML and UWP desktop app is structured
  • Contributors who want to report bugs or suggest changes to the official calculator
  • Students learning how a real-world Windows app is organized

Choose PowerToys if you need…

  • Windows users who want more control over window layout and multi-monitor setups
  • People who rename many files at once or want quick text transformations
  • Power users who want keyboard remapping and a quick launcher
  • Developers and designers who need a screen color picker or screen ruler

Side-by-side

CalculatorPowerToys
TypeAppApp
PriceFree and open sourceFree and open source
LicenceMITMIT
GitHub stars31.1k140k
Setup difficultyIntermediateBeginner
How you get itClone and build from sourceInstall with a package manager
Main languageC#C
Last code update13 days ago4 days ago

What each one is

Calculator

This is the source code for the Calculator app included with Windows 11. It offers standard, scientific, and programmer modes, plus date calculations, unit and currency converters, and calculation history. The code is written in C++ and C# and is published under the MIT License.

PowerToys

PowerToys is a free, open-source collection of over 30 small utilities for Windows, published by Microsoft. Each utility adds a specific capability, such as arranging windows into zones (FancyZones), batch renaming files (PowerRename), picking colors from the screen (Color Picker), or remapping keys (Keyboard Manager). People use it to customize Windows and save time on repetitive tasks.

Best for

Calculator

  • Windows 11 users who want to read or modify the built-in calculator
  • Developers studying how a XAML and UWP desktop app is structured
  • Contributors who want to report bugs or suggest changes to the official calculator
  • Students learning how a real-world Windows app is organized

PowerToys

  • Windows users who want more control over window layout and multi-monitor setups
  • People who rename many files at once or want quick text transformations
  • Power users who want keyboard remapping and a quick launcher
  • Developers and designers who need a screen color picker or screen ruler

Strengths

Calculator

  • Mature, widely used app with over 31,000 GitHub stars at the time of this snapshot
  • Covers standard, scientific, programmer, and date calculation modes in one codebase
  • Released under the permissive MIT License

PowerToys

  • Free and open source under the MIT license
  • Large set of utilities in one install, with documentation linked from the README
  • Actively maintained, with a recent push and frequent releases

Not ideal for

Calculator

  • People who only want a calculator to use: the Microsoft Store or the built-in app is the simpler choice
  • Anyone on Windows 10 or earlier, since the README requires Windows 11 build 22000 or newer
  • Users who need graphing: the README says developer builds lack working graphing functionality
  • Developers wanting a cross-platform project: this targets Windows only

PowerToys

  • Users on macOS or Linux, since the README describes Windows utilities only
  • People who want a minimal system with no extra tools installed, because it bundles many utilities that each run as separate features
  • Users who need an official support contract, as the README points to community and documentation resources rather than a support guarantee

Trade-offs

Calculator

  • Requires Windows 11 and a fairly large Visual Studio setup with UWP tooling
  • Developer builds use mock currency data and a mock graphing engine, so some features behave differently from the retail app
  • Diagnostic data collection is part of the project, which the README notes is disabled by default in dev builds

PowerToys

  • Works only on Windows, as stated in the description and topics
  • Many separate utilities mean you may need to enable only the ones you want
  • The README is truncated here, so detailed system requirements are only available on the linked install docs

Getting started

Calculator

Clone the repository

git clone https://github.com/Microsoft/calculator.git
Step-by-step guide: how to use Calculator

PowerToys

Install with WinGet (user scope, default)

winget install Microsoft.PowerToys -s winget

Install with WinGet (machine-wide scope)

winget install --scope machine Microsoft.PowerToys -s winget
Step-by-step guide: how to use PowerToys

Frequently asked questions

What is the difference between Calculator and PowerToys?

Calculator: The Windows Calculator app source code, the one that ships pre-installed with Windows. PowerToys: A set of Windows utilities for customizing the desktop and speeding up everyday tasks. Calculator suits windows 11 users who want to read or modify the built-in calculator, while PowerToys suits windows users who want more control over window layout and multi-monitor setups.

Are Calculator and PowerToys free?

Calculator: Free and open source. PowerToys: Free and open source.

Which is easier to set up, Calculator or PowerToys?

PowerToys is easier to get started with (rated beginner); Calculator is rated intermediate and usually needs more setup.

Is Calculator or PowerToys more popular?

PowerToys has more GitHub stars (140k) than Calculator (31.1k). Popularity isn't the same as fit — check which one matches your use case above.

What are other alternatives to Calculator and PowerToys?

Other options people compare them with include Files, DevToys, UniGetUI, Notepads.

Keep comparing

Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.