Firebase Cloud Messaging vs. Google Cloud Messaging

  

What is the difference between firebase cloud messaging and google cloud   messaging?

Firebase Cloud Messaging is a cross-platform messaging solution that enables reliable delivery of messages and notifications at no cost.

FCM is the new version of Google Cloud Messaging ( GCM ). It inherits the reliable, scalable GCM infrastructure, plus new features!

  

Are they both free?

Yes. After Google replaced C2DM with GCM, they took all limits.

  

Who keeps fcm?

Google

  

What would be the best option?

The answer is in the first question. The FCM is basically the new GCM but with more resources.

Details

• Google Cloud Messaging
• Firebase Cloud Messaging
• Historical Overview - GCM