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 insights into user behavior; Amplitude Session Replay, a tool that offers a qualitative perspective by reconstructing user journeys; Amplitude Feature Experimentation, which enables product, data, and engineering teams to build experiments; Amplitude Web Experimentation, a solution that reduces the need for engineering support and accelerates testing; Amplitude Activation, which resolves identity conflicts, streamlines data integration, and facilitates organizations to personalize and activate campaigns and experiences to segments of users in a few simple clicks; and Amplitude Guides and Surveys that helps companies to deploy in-product guides, tours, and surveys using the power of behavioral insights to fuel great results. The company also provides customer support related to initial implementation setup, ongoing support services, 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.