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SoulCalcUnitto
Free

Free and open source under the MIT licence.

 Free

Free with no ads or in-app purchases; open source under the GPL-3.0.

Android, iOS Android
  • Multi-line calculations with results shown beside each line
  • Named variables reusable across lines
  • Calculator, unit, currency, date and time zone tools in one app
  • No ads, in-app purchases or analytics
  • Small project with few commits
  • No dedicated website or documentation beyond the README
  • Android only
  • Currency conversion needs an internet connection for rates
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.