Hangouts

“Use Hangouts to keep in touch. Message friends, start free video or voice calls, and hop on a conversation with one person or a group.
– Send and receive both Hangouts and text messages (SMS/MMS) and switch easily between message types.
– Include all your friends with group chats for up to 150 people.
– Say more with photos, maps, emoji, stickers, and animated GIFs.
– Turn any conversation into a free group video call with up to 10 friends.
– Call any phone number in the world (and all calls to other Hangouts users are free!).
– Connect your Google Voice account for phone number, SMS, and voicemail integration.
– Keep in touch with friends across Android, iOS, and the web, and sync chats across all your devices.
– Message friends anytime, even if they�??re offline.