Can I use the Lifetime app if my TV provider doesn't support it? Yes! There are lots of full episodes, clips, movies and more to watch—even if your TV provider isn't currently supported. Related articles I subscribe to YouTube TV. Can I watch Lifetime? Do I have to sign in to use the Lifetime app? What's the difference between watching while signed in and watching while not signed in? How often is new video added to the Lifetime app? Why can I no longer access Lifetime with Fubo TV?