To be honest, without Firebase Authentication, it’s not possible to accept writes to a database without Authentication and also avoid abuse, since anyone could write anything from anywhere on the internet. This could also cost you large amounts of money if someone discovers your “open” database.
Read moreCan I use Firestore without Firebase?
Firestore is perfectly usable on the backend without a client app . But if you are shipping an app, I’d strongly recommend integrating Firebase Authentication first, and you should think carefully about structuring your data and rules from there.
Read moreAre push notifications free in Firebase?
Firebase Notifications is a free service that enables user notifications for Android and iOS devices. Through the Firebase console, you can send notifications quickly and easily across platforms with no server coding required.14 Haz 2016
Read moreWhat is a Google push notification?
Push notifications look like SMS text messages and mobile alerts , but they only reach users who have installed your app. Each mobile platform has support for push notifications — iOS, Android, Fire OS, Windows and BlackBerry all have their own services.
Read moreIs GCM free?
So, it’s free .
Read moreDo you have to pay for push notifications?
How much do push notifications cost? Push notifications do not require any hardware infrastructure (compared to beacons, WiFi, NFC etc.) other than a mobile device therefore it does not have any initial cost. The only cost for using a push is included in the cost of marketing platform .
Read moreHow do I create a chat app with Firebase?
Add a Firebase web app to the project
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