"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."

“Firebase Cloud Messaging meets our requirements perfectly.”

“Wow, loving the Firebase JS SDK. You can tell when developers really care.”

"Firebase was paramount in our attempt to fine-tune the monetization strategy and the implementation of new features throughout our apps. A/B testing became the go to analysis tool when introducing any new changes and it completely took guessing out of the picture."

"Firebase has empowered our entire team to be more creative, because now we have a way to confidently and safely test our big ideas. It makes testing so easy that anyone on the team can run their own experiments."

"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."

"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 …

"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."

"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 completely freed our engineers from managing campaign infrastructure, and helped our team to be more effective and our campaigns to perform better—which is a huge win for us."

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

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

"Our mission is to entertain and connect people around the world through amazing games, and Firebase is a key partner helping us achieve our mission by giving us the tools to deploy new features faster and with confidence."

“The initial implementation was very easy - really a one-day job.”

"With Firebase Realtime Database, we felt we had built the best force-plate testing software on the market. Thanks to Cloud Firestore, in only two weeks, we built a system that's significantly better and includes features we never thought possible to ship on Day 1."