G*Power vs R
G*Power
gpower.hhu.deR
r-project.orgSide by side
| Figure | G*Power | R |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Plans published | 2 | 1 |
| Spec score · Statistical Analysis Software | 7.9 (#46) | 8.8 (#7) |
| Deployment | both | desktop |
| Free plan | Yes | Yes |
| Headquarters | Düsseldorf, Germany | Vienna, Austria |
| Regression models | Yes | Yes |
| Scripting support | Yes | Yes |
| Statistical tests | The tutorial demonstrates power analyses for t-tests, F-tests, and χ²-tests. | Yes |
Plans
In their own words
R
R is a free software environment for statistical computing, with graphics, statistical tests, regression models, and scripting support. It runs on Windows and macOS, as well as a wide range of UNIX platforms. Its import options cover text, XML, spreadsheet-like files, Excel, SPSS, SAS, and Stata, along with databases, binary files, and image files. Downloads are provided through preferred CRAN mirrors, and the project offers FAQs about installation and licensing. Documentation resources include manuals, journals, books, and certification links; community resources include mailing lists and developer pages. Questions about the software are directed to the Getting Help section. The listed current release is R 4.6.1, named Happy Hop, released June 24, 2026; version 4.5.3 is described as a wrap-up release. R was founded in 1990, and its maker is listed as R, headquartered in Vienna, Austria.