RStudio is a free and open-source integrated development environment (IDE) for R, a programming language for statistical computing and graphics. Developed by RStudio, Inc.
License: Open Source
IBM SPSS Statistics is a commercial software focused on statistical analysis with a user-friendly interface, ideal for beginners. In contrast, RStudio is an open-source platform that offers extensive customizability and scripting capabilities, making it more suitable for advanced users and data science applications.