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ParsifySpeedCrunch
Freemium

Free version limited to five lines; full licence is a €30 one-time purchase plus VAT.

 Free

Free and open source under the GPL.

Windows, macOS, Linux Windows, macOS, Linux
  • Answers update live next to each line
  • Unit, currency and time zone conversions built in
  • Results update as you type
  • Up to 50 digits of precision
  • Free version evaluates only five lines
  • Custom units, plugins and time zones require the paid licence
  • Latest advertised release is the long-standing 0.12
  • Keyboard-centred design may not suit button-only users
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-2.0-or-later
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked October 2, 2026

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