G*Power
The facts below are what the maker publishes about G*Power, checked and dated. Our editors have not written about it yet.
Plans and prices
From G*Power's own pricing page, checked 20 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | Available to everyone, including commercial users · Local desktop software for Windows and macOS |
| G*Power | Free | Free for everyone, including commercial use · Commercial distribution prohibited |
The facts
Each one read from G*Power's own pages, with the date it was checked.
What it does
- Analysis types
- The tutorial describes a priori, post-hoc, and compromise power analyses.checked 11 Oct 2026
- Deployment
- bothchecked 20 Sep 2026
- Distribution limit
- Redistributing G*Power through another channel requires permission from the authors, and commercial distribution is prohibited.checked 11 Oct 2026
- Effect sizes
- The software can compute effect sizes and display power analysis results graphically.checked 11 Oct 2026
- Intended audience
- The tutorial presents G*Power as a general power analysis program and illustrates its use with psychological research examples.checked 11 Oct 2026
- Local operation
- The official page says both versions run locally and do not communicate with servers, aside from the Windows installer attempting to download Microsoft Visual C++ runtime libraries if needed.checked 11 Oct 2026
- Privacy
- The update mailing list states that email addresses are used only to send update notices and are not shared with others.checked 11 Oct 2026
- Purpose
- G*Power computes statistical power analyses for many t, F, χ², z, and some exact tests.checked 11 Oct 2026
- Regression models
- Yeschecked 20 Sep 2026
- Scripting support
- Yeschecked 20 Sep 2026
- Security documentation
- The makers state that they do not provide license agreements, security documentation, or similar documents.checked 11 Oct 2026
- Statistical tests
- The tutorial demonstrates power analyses for t-tests, F-tests, and χ²-tests.checked 11 Oct 2026
- Support
- The makers invite users to email them to report bugs, usage difficulties, or suggestions for future versions.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
The company
- Headquarters
- Düsseldorf, Germanychecked 28 Sep 2026
Where it runs
- Mac version
- The Mac download is version 3.1.9.6 for Mac OS X 10.7 to 26 and is compiled for Intel processors.checked 11 Oct 2026
- Platforms
- The official page offers separate downloads for Windows and Mac OS X.checked 11 Oct 2026
- Windows version
- The Windows download is version 3.1.9.7 and is listed for Windows XP, Vista, 7, 8, 10, and 11.checked 11 Oct 2026
