"Testing features first using Firebase helped us to make the right decision, which resulted in an increase of user daily engagement by five percent."

“We launched the first Firebase product about an hour ago. It looks to be going swell, with the App Dashboard lighting up like christmas!”

"The first prototype of Pear Deck was written in just a few hours while I waited for a delayed airplane. Incredible! I slapped that together and popped it onto my teaching blog, and teachers used it thousands of times."

"When we were struggling to find the right monetization strategy for our app, Firebase not only showed us where the opportunity was, it gave us the tools we needed to optimize our ad strategy with confidence."

"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."

"I didn't have to spin up new servers, worry about additional capacity, or think about downtime. I just watched the number go up."

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

“Firebase Cloud Messaging meets our requirements perfectly.”

"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."

"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."

"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."

“Firebase is the easiest way to get real-time with persistence, with just a few lines of JavaScript code.”

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

"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."

"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 …