You can try it and cancel after 1 month, according to their docs. It seems like it’s a one-click cancel too. Seems like a reasonable approach, especially since

You can try it and cancel after 1 month, according to their docs. It seems like it’s a one-click cancel too. Seems like a reasonable approach, especially since it’s an open source project and thus "free" if you so choose. They even publish a docker image so a moderately technical person could "docker run" it and kick the tires before deciding to subscribe or run it themselves.