Lively (stylized as Live!y, and known before 2021 as GreatCall) is a connected health technology company based in the United States of America.

Since 2018, the company has been a subsidiary of electronics retailer Best Buy. Lively offers health and safety products and services for older adults, including mobile devices, cellular service, mobile apps and a wearable device. The company provides US-wide cellular service as a mobile virtual network operator (MVNO) through the Verizon Wireless network. The Lively Smart phone requires a data plan at an additional fee and those data services begin with a nominal fee and increases with options.