Installing oTree on macOS

Important note

If you publish research conducted using oTree, you are required by the oTree license to cite this paper. (Citation: Chen, D.L., Schonger, M., Wickens, C., 2016. oTree - An open-source platform for laboratory, online and field experiments. Journal of Behavioral and Experimental Finance, vol 9: 88-97)

If the below steps don’t work for you, please email with details.

Step 1: Install Python

  • Download and install the latest Python.

  • In Finder, search for and open the “Terminal” app:


Step 2: Install oTree

Enter this:

pip3 install -U otree

Next steps

  • If you will use oTree Studio, go to and get started with oTree Studio.

  • If you will use PyCharm or another text-based code editor, follow the steps here.