Back in 2008 there were MizPee and Diaroogle which did the same. https://www.cnet.com/tech/services-and-software/diaroogle-helps-you-find-clean-public-bathroom

Back in 2008 there were MizPee and Diaroogle which did the same. https://www.cnet.com/tech/services-and-software/diaroogle-helps-you-find-clean-public-bathrooms/ https://www.cnet.com/tech/services-and-software/diaroogle-he...