"The API was so simple that we implemented all the communications and data synchronization in a bit more than a week."

"Firebase showed us how to monetize our games without sacrificing the game experience or driving players away. It gave us the confidence to try new approaches we never thought would work."

"We could not handle the operation we have today without Firebase."

"Firebase Test Lab enables American Express to execute our entire extensive Android test suite for every pull request. Firebase takes care of scaling the test infrastructure, so our engineers can focus on the code, driving improvements to the app and corresponding changes to our test suite."

"Firebase has been a complete game-changer for our business. It helped us adapt to a difficult situation with the data we needed to improve our revenue stream while keeping users happy."

"We went from blindly trying to fix issues from vague user comments and incomplete stack traces to getting all the information we need to improve stability. Now we spend less energy on troubleshooting bugs and more time building amazing gaming experiences."

"Using Google Analytics for Firebase, we matched customer acquisition efforts with in-app conversions, thereby optimizing our overall CPA and driving measurable ROI."

"We saw twice the retention rate among users with customized onboarding flow than among regular users. And it took us just one day to implement the customized onboarding screens."

“I was able to implement Auth in just one afternoon. I remember that I spent weeks before creating my own solution that I had to update each time that the providers changed their API.”

"Where we used to spend 50% of our development time building the backend, we can focus now 95% of our time on the actual application."

“Quick and reliable login is crucial to our onboarding process. Firebase Auth allowed us to easily authenticate on multiple platforms, and its extensive feature set gives us room to grow.”

“Firebase Cloud Messaging meets our requirements perfectly.”

"Using Firebase has completely transformed Le Figaro's digital business by making it easy to rapidly innovate and personalize content for our readers. With Firebase we have seen continuous increases in retention, downloads and screen time in our apps!"

"Firebase has so much functionality...in one powerful toolset. It's easy code to integrate, and we're confident it's being continually updated across iOS and Android. That's a huge win."

"We are very impressed with how magical the personalization feature has been. It's so much more than an A/B test, as it continuously optimizes and serves the right variant to the right groups of people to maximize conversion goals. Without Firebase, we would have a harder time succeeding in an …