When downloading Beebs, you are given a licence to the software.
Google are the sole issuers of that licence, if you have downloaded Beebs prior to August 2018 but then uninstall, you may lose access to that license.
You may have to purchase Beebs to continue using the service. When paying for Beebs, you are supporting the efforts made to continually make the websites available for you to watch. The service needs funding and does not operate as a cash cow.