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Parsify vs NerdCalci: catalog facts
Parsify	NerdCalci
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-3.0.
Windows, macOS, Linux	Android
Answers update live next to each line Unit, currency and time zone conversions built in	Variables reusable across lines Natural syntax for percentage calculations
Free version evaluates only five lines Custom units, plugins and time zones require the paid licence	Android only Text-based input takes some getting used to
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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