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NerdCalci vs Parsify: catalog facts
NerdCalci	Parsify
Free Free and open source under the GPL-3.0.	Freemium Free version limited to five lines; full licence is a €30 one-time purchase plus VAT.
Android	Windows, macOS, Linux
Variables reusable across lines Natural syntax for percentage calculations	Answers update live next to each line Unit, currency and time zone conversions built in
Android only Text-based input takes some getting used to	Free version evaluates only five lines Custom units, plugins and time zones require the paid licence
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.