Side by side
BlueSky Statistics vs Chi
Both stand on statistical analysis software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan MacWindows
BlueSky Statistics combines statistical analysis, data science, and quality workflows, with both free and paid plans. Pro adds commercial licensing and support, while StatGPT is a separate add-on module.
Visit BlueSky Statistics Free plan LinuxMacWindows
Choose Chi if you need a free Python package for PKPD modelling, treatment simulation, inference, population modelling, or dosing optimisation. Look elsewhere if you need software that does not require Python, or if separate Sundials setup on Ubuntu or macOS is unsuitable.
Visit ChiThe facts
| BlueSky Statistics | Chi | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac, Windows | Linux, Mac, Windows |
| Lowest paid plan | PRO: $495 a year | Free or on request |
| Plans published | 3 | 1 |
| Maker | BlueSky Statistics | Chi |
| Website | blueskystatistics.com | chi.readthedocs.io |
| On statistical analysis software | #15 of 106 | #19 of 106 |
BlueSky Statistics: what it does well
- Base plan is free forever.
- Includes an R code editor for custom scripts.
- Imports Excel, CSV, and other data files.
- Pro adds priority technical support.
What to know first
- Pro costs $495 a year.
- StatGPT is an add-on module to Pro.
Chi: what it does well
- Free, open-source Python package under BSD-3-Clause.
- Simulates custom dosing regimens with PKPD, PBPK, or QSP models.
- Supports classical and Bayesian parameter inference.
- Models population variation with mixed effects and covariates.
- Includes dosing optimisation and model-informed precision dosing.
What to know first
- Ubuntu and macOS users must install Sundials separately.
- Use requires working with a Python package.
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