What's a good Android app for staying connected with friends and family through free calls and messaging?

LINE: Calls & Messages is a solid option for staying in touch with friends and family without incurring costs for calls and texts. It provides free voice and video calls, along with instant messaging, allowing you to connect with others around the world. Beyond basic communication, LINE offers features like group chats, stickers, and a timeline for sharing updates and photos, making it a versatile platform for social interaction. While it has a 3.5/5 rating, many users find its features and ease of use beneficial for daily communication. The app's additional functionalities, such as the ability to send files and create polls, enhance its utility as a comprehensive communication tool.