Google Pay is a virtual payment service by Google. It allows users to make payments from their Android, Wear OS and iOS smartphones both online and in stores. The service also allows users to make payments directly from their apps, such as Google Maps and Gmail. Additionally, it can be used to pay for transit fares on some buses, railways and subways. Google Pay also helps users manage their money and finances. They can track their accounts, view spending summaries, set up automatic payments and more.