Help To connect database off app and website

Hello Everyone,
I need help that i want to show same data in website same as it stores in app by using their User Id & Password. Whenever he signin in website i want to show all data from firebase which user stored using app and viceversa.
And Please suggest simple and fast building platform of website just like Kodular without coding knowledge.

Firebase can do what you want.

Web platform is

But sir how to connect app and website both to firebase
Please help sir in detail

Well we are not doing the work for you. Do some lookup on firebase for here. Firebase API for your website.

Why are you copying the first post as yours? It does not make senseā€¦

This has been flagged. Opening multiple accounts and asking the same question is not appropriate