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SoulCalc vs NerdCalci: catalog facts
SoulCalc	NerdCalci
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0.
Android, iOS	Android
Multi-line calculations with results shown beside each line Named variables reusable across lines	Variables reusable across lines Natural syntax for percentage calculations
Small project with few commits No dedicated website or documentation beyond the README	Android only Text-based input takes some getting used to
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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.