JASP vs GNU PSPP

JASP9.0Visit GPGNU PSPP7.9Visit

Higher score JASP #5 in Statistical Analysis Software 9.0/10 Free plan Free plan✓ 4 of 4 features Visit JASP

vs

GP GNU PSPP #16 in Statistical Analysis Software 7.9/10 Free plan Free plan✓ 3 of 4 features Visit GNU PSPP

• JASP fits best

  Free Bayesian and frequentist analysis

• GNU PSPP fits best

  Free SPSS-compatible desktop analysis

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Side by side

Feature	JASP 9.0/10 Visit ↗	GPGNU PSPP 7.9/10 Visit ↗
At a glance
Editor score	9.0	7.9
Ranking	#5 in Statistical Analysis Software	#16 in Statistical Analysis Software
Best for	Free Bayesian and frequentist analysis	Free SPSS-compatible desktop analysis
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows, Linux
Support	Email, Community, Docs	Community, Docs
Integrations	1 integrations	3 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features JASP 4/4 · GNU PSPP 3/4
Statistical tests	✓	✓
Regression models	✓	✓
Scripting support	✓	✓
Bayesian analysis	✓ (best)	Not checked yet
Specs
Deployment	Desktop	Desktop
Data import formats	.csv, .tsv, .txt, .sav, .zsav, .por, .sas7bda, .sas7bcatt, .xpt, .ods, .xls, .xlsx, .dta, .rdata, .rds, .mwx, .mpx	PSPP system and portable files; Gnumeric; ODS; PostgreSQL; TXT/delimited text
Our review
Pros	Supports both frequentist and Bayesian statistical analyses Covers regression, factor analysis, SEM, and specialized modules Runs on Windows, macOS, and Linux with many import formats	Free and open source with no license fees GUI and syntax workflows support repeatable analyses Supports SPSS, ODS, Gnumeric, PostgreSQL, and text data
Cons	Desktop deployment does not provide a browser-based workflow Its main listed integration is limited to Open Science Framework R syntax support may suit users comfortable with scripting	Desktop deployment is limited to Windows and Linux distributions Advanced workflows may require command-line syntax files Other operating systems may require building from source
Our verdict	JASP is free, open-source desktop software for conducting and teaching statistics. It is designed for researchers, students, and instructors who need both frequentist and Bayesian methods in a graphical environment. Its spreadsheet-style… Read the review →	GNU PSPP is free, open-source desktop software for analyzing sampled data. It is aimed at students, researchers, and analysts who need a graphical workspace for data entry, preparation, transformations, visualization, and statistical… Read the review →

Strengths and trade-offs

• JASP — where it wins

  • Supports both frequentist and Bayesian statistical analyses
  • Covers regression, factor analysis, SEM, and specialized modules
  • Runs on Windows, macOS, and Linux with many import formats

  Where it doesn't

  • Desktop deployment does not provide a browser-based workflow
  • Its main listed integration is limited to Open Science Framework
  • R syntax support may suit users comfortable with scripting

• GNU PSPP — where it wins

  • Free and open source with no license fees
  • GUI and syntax workflows support repeatable analyses
  • Supports SPSS, ODS, Gnumeric, PostgreSQL, and text data

  Where it doesn't

  • Desktop deployment is limited to Windows and Linux distributions
  • Advanced workflows may require command-line syntax files
  • Other operating systems may require building from source

• JASP9.0/10 · Free plan

  A free desktop statistics package combining drag-and-drop analysis with R-based workflows.

  Visit JASPFull verdict →
• GPGNU PSPP7.9/10 · Free plan

  A free, SPSS-compatible desktop tool for repeatable statistical analysis.

  Visit GNU PSPPFull verdict →