Amplitude, Inc., together with its subsidiaries, provides a digital analytics platform that analyzes customer behavior in the United States and internationally. It offers Amplitude Analytics, which provides real-time product data and reconstructed user visits; Amplitude Experiment, a solution that allows teams to test new capabilities and safely roll out new features; Amplitude CDP, an insight-driven solution that encompasses the data infrastructure, audience management, and data streaming capabilities; and Amplitude Session Replay used by product, marketing, and data teams to understand user behavior, diagnose product issues, and improve product outcomes. The company also provides customer support services related to initial implementation setup, ongoing support, and application training. It delivers its application over the Internet as a subscription service using a software-as-a-service model. The company was formerly known as Sonalight, Inc. and changed its name to Amplitude, Inc. in December 2014. Amplitude, Inc. was incorporated in 2011 and is headquartered in San Francisco, California.