Firebase is a Backend-as-a-Service (BaaS) app development platform that provides hosted backend services such as a realtime database, cloud storage, authentication, crash reporting, machine learning, remote configuration, and hosting for your static files. Firebase supports Flutter .
Read moreCan I do backend with flutter?
The Backendless SDK for Flutter provides backend support for Flutter web applications as well as Android and iOS mobile apps . Now, your Flutter app can enjoy all the functions and features of a Backendless backend on both web and mobile.
Read more