"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."

“Firebase was a breeze to set up, and it's been one of the most reliable third party services we use since we started using them for in-app chat.”

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

"Moving to Firebase was one of the best decisions we ever made. Firebase helps us safely, easily, and quickly run experiments and roll out new features to enhance our user experience. We're excited to continue growing with Firebase!"

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

"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."

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

“Firebase Cloud Messaging meets our requirements perfectly.”

"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."

"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."

"By combining Crashlytics' real-time crash reporting with the ability to deploy remote changes to a subset of users through Remote Config, we were able to grow our daily active users beyond our expectations!"

“Incredible first experience. I was able to get a completely custom, embedded chat client running in 30 mins. I really couldn't imagine how this could be easier.”

"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."

"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."