We were part of the Early Access Program for the expanded Firebase and used it to build our music collaboration app Kwaver. With the new features, they did a nice job of collecting a bunch of related mobile products (Analytics, Push Notifications, Storage, Authentication, Database, Deep Linking, etc) into a pretty cohesive platform, and it's saved us a bunch of time.
With Firebase Analytics we can track events, segment audiences (according to user properties; active, dormant, inactive) and take action according to the user segment. We are able to send push notifications (also using Firebase) to dormant male users who play the piano for example. Another cool feature is Remote Config, which gives you the option to ship a number of separate experiences and track the user interaction. Like A/B Testing but way more flexible.
For us, the best product is the existing database product they had, as it really improves our user experience to ditch the 'pull to refresh' button' and have our app respond to changes live.
We have been waiting for Google to provide developers a more complete mobile solution for a while now, and they’ve done it superbly through Firebase!
Feedback; It would be really cool if Firebase could implement UTM codes to be able to track user acquisition and be able to automate actions according to User Properties.
Shameless plug: if you're a musician (or a music fan), we'd really appreciate if you could download our music collaboration app, try it out and give us feedback. It’s available for free on the app store; The following link will re-direct you there later today. http://kwaver.com