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