Instant messaging apps are software applications that allow users to send and receive text messages in real-time over the internet. These apps often include features like voice and video calls, file sharing, and group chats, making communication more interactive and engaging. Popular examples include WhatsApp, Facebook Messenger, and Telegram. Users can access instant messaging apps on various devices, including smartphones, tablets, and computers. They typically require an internet connection and may use phone numbers or usernames for account creation. Instant messaging has become a preferred method of communication for many due to its speed and convenience.