This only means that the developers have to login with a Google account? Firebase is a Google-owned product, so why would that be a surprise? It doesn't sound l

This only means that the developers have to login with a Google account? Firebase is a Google-owned product, so why would that be a surprise? It doesn't sound like your app's users have to login with Google. Edit: if you don't want someone telling you how to login, maybe check out Kinto? http://kinto.readthedocs.org/en/latest/overview.html http://kinto.readthedocs.org/en/latest/overview.html