App has been discontinued, a much better tool can be found here:
Github: https://github.com/LyfeOnEdge/HBUpdater/releases
gbatemp post: https://gbatemp.net/threads/hbupdater-a-one-stop-shop-for-keeping-cfws-homebrew-up-to-date.546116/
Snapshot:
New homebrew explorer (need a better name for it):
Updated payloads and more homebrew: