TRTT alternatives

TRTT is a proprietary app for iPhone, iPad and Online. It offers a free version with paid upgrades (one-time $9–10). Developed by Rafal Rybnik.

Alternatives

• R (programming language)
• RStudio
• PSPP
• JASP
• Positron
• Maple
• Graph
• IBM SPSS Statistics
• Minitab
• Altair RapidMiner
• jamovi
• SymPy