BlueSky Statistics vs GNU PSPP
BlueSky Statistics
blueskystatistics.comGNU PSPP
gnu.orgSide by side
| Figure | BlueSky Statistics | GNU PSPP |
|---|---|---|
| Price from | $41.25/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| Plans published | 5 | 1 |
| Spec score · Statistical Analysis Software | 8.6 (#12) | 8.5 (#13) |
| Data import formats | Excel, CSV, other formats | PSPP system and portable files; Gnumeric; ODS; PostgreSQL; TXT/delimited text |
| Deployment | both | desktop |
| Free plan | Yes | Yes |
| Platforms | The download page identifies the latest listed release as BlueSky Statistics 10.3.4 GA for Mac (Intel and M1) and Windows. | The download page lists GNU/Linux, Windows, and macOS installation options, as well as source code. |
| Purpose | BlueSky Statistics provides data management, statistics, machine learning, visualizations, quality and process engineering, and Six Sigma capabilities. | GNU PSPP is a program for statistical analysis of sampled data and a free replacement for SPSS. |
| Regression models | Yes | Yes |
| Scripting support | Yes | Yes |
| Statistical tests | Yes | Yes |
| Support | Pro includes priority technical support, and the help center offers installation guides, release notes, user guides, videos, technical advisories, and issue reporting. | The project directs general questions to the pspp-users mailing list and says developers cannot promise an immediate response to bug reports. |
Plans
BlueSky Statistics
- BaseFree
- Pro$495 a year
- BASEFree
- PRO$495 a year
- ENTERPRISEPriced on request
In their own words
BlueSky Statistics
BlueSky Statistics is a data management and analysis application for statistics, machine learning, visualization, quality and process engineering, and Six Sigma work. It runs on macOS and Windows and supports desktop deployment. Analysts can import Excel, CSV, and other files or paste spreadsheet data into its grid. Analysis options include descriptive and inferential statistics, regression, advanced modeling, survival and longitudinal analysis, power analysis, and design of experiments. Quality workflows include measurement system analysis, gage R&R, process capability, SPC charts, tolerance intervals, and reliability analysis. The application is built around R and Python and includes an R editor for custom scripts. Its machine-learning offering lists more than 50 algorithms across traditional and deep-learning model families. Tables and graphs can be copied to Word, Excel, and PowerPoint; output can be saved in BlueSky format, HTML, R Markdown, or LaTeX. Base is free forever. Pro costs $495 a year and adds a commercial license, priority technical support, premium modules, productivity features, and reproducibility features.
GNU PSPP
GNU PSPP is free desktop software for statistical analysis of sampled data and a free replacement for SPSS. It provides graphical and command-line interfaces, scripting support, statistical tests, and regression models. Analyses include descriptive statistics, t-tests, ANOVA, linear and logistic regression, cluster analysis, reliability and factor analysis, and non-parametric tests. Data can come from PSPP system or portable files, Gnumeric, ODS, PostgreSQL, and TXT or other delimited text. Results can be written as text, PostScript, PDF, OpenDocument, or HTML. PSPP syntax and data files are compatible with SPSS, with a stated aim of producing similar results. The project lists interoperability with Gnumeric, LibreOffice, OpenOffice.org, and other free software. It supports Linux, macOS, and Windows as desktop platforms. The GNU GPL version 3 or later governs the software. Its listed plan is free, with no license fees or artificial limits on cases or variables.