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Both open SPSS files and produce APA-style output. JASP is free and open source with classical and Bayesian analyses; OrcStat adds a private AI statistician, SPSS-style syntax and 148 procedures.
About JASP
JASP is a free, open-source statistics program supported by the University of Amsterdam. It runs on Windows, macOS and Linux, uses R for its analyses, and offers standard analyses in both classical and Bayesian form.
From JASP's website and FAQ, checked October 2026.
Side by side
| OrcStat | JASP | |
|---|---|---|
| Price | Pro Personal $50 a month billed annually; students $24 a month; 14-day free trial | Free |
| Licence | Commercial | Open source (engine GPLv2, desktop AGPLv3) |
| Platforms | macOS 13 or later, plus a browser version | Windows, macOS and Linux |
| Opens SPSS files | .sav and .zsav (read and write), .por | .sav, .zsav and .por |
| Other formats | Stata, SAS, Excel, CSV, Parquet, JSON, SQLite, DuckDB, OpenDocument | CSV, SAS, Stata, Excel, OpenDocument, R data and Minitab files |
| Bayesian statistics | Bayes factors and credible intervals alongside p values | Bayesian versions of standard analyses, a core focus |
| Command syntax | SPSS-style syntax and a journal that re-runs every step | Not described on its website; analyses are point-and-click |
| AI assistance | Local AI statistician that plans analyses, checks assumptions and drafts results; models run on your own computer or network | None listed on its website |
| APA output | APA 7 tables and a drafted results section, exported to Word, PDF or PowerPoint | APA-format tables and graphs to copy into Word |
An honest answer
Comparing with SPSS instead? See OrcStat as an SPSS alternative.
Yes. OrcStat reads and writes .sav and .zsav and reads .por, with labels, missing-value codes and measurement levels intact.
Yes. Bayesian procedures report Bayes factors and credible intervals alongside p values, and every module is included in every plan.
You pay for the private AI statistician, SPSS-style syntax with a re-runnable journal, APA 7 results drafting, encryption and admin controls. Try it free for 14 days and decide.
JASP is developed by its own team and is not affiliated with OrcStat. Facts about JASP come from its official website; tell us at support@orcstat.com if anything is out of date.