I used this for my family's recent trip in Lisbon and Prague. It worked great! The OSM data was reasonably up-to-date for all of our destinations; I don't remember encountering bad information, even though I often double-checked with other mapping providers (which aren't immune to issues with out-of-date information). One awesome feature was being able to find "drinking water" while we were walking around. I did come…
Best ist you can directly report the broken tap from the app. So the dates will be fixed.
Reporting from within CoMaps generates note that will sometimes wait years for verification.