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Uno CalculatoryetCalc
Free

Free to use; the underlying calculator code is under the Apache-2.0 licence.

 Free

Free and open source under the BSD-3-Clause licence.

macOS, Linux, Android, iOS, Web Android
  • Familiar Windows Calculator layout on other systems
  • Scientific and Programmer modes
  • Scientific mode in portrait and landscape
  • Unit converter and programmer mode in one app
  • Initial load can be slow
  • Built mainly as a framework showcase
  • Android only
  • Little documentation beyond the app description
Downloadable app, Web application Downloadable app
Open source Open source
License: Apache-2.0 License: BSD-3-Clause
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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