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GNU PSPP vs GraphPad Prism: catalog facts
GNU PSPP	GraphPad Prism
Free Free software under GPL-3.0-or-later, with no paid add-ons.	Paid Paid licence, with a free trial available.
Linux, Command line	macOS
Familiar to SPSS users No limits on cases or variables and no expiring licence	Statistics and graphing in one application Covers ANOVA, survival analysis and non-linear regression
Does not support every SPSS feature Interface is plainer than commercial statistics packages	Paid licence required after the trial Aimed at life scientists rather than general data work
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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