A "Messages" app is a software application on a smartphone or computer that allows users to send and receive text messages, and often includes features like sending photos, videos, and voice notes. Popular examples include Google Messages and Apple's built-in Messages app (which handles iMessage for Apple devices). These apps have evolved to include advanced functionalities like chat features, end-to-end encryption for secure chats, and integration across multiple devices. Common features Text and multimedia messaging: Send and receive text messages, photos, videos, audio clips, and GIFs. Chat features (RCS): Enables richer communication features like typing indicators, read receipts, and high-quality media sharing. Group chats: Create group conversations with multiple people. End-to-end encryption: Some apps offer secure communication, meaning only the sender and recipient can read the messages. Cross-device syncing: Sync messages across your phone, tablet, and computer, allowing you to start a conversation on one device and continue it on another. Spam protection: Automatically filters out unwanted or suspicious messages. Examples of Messages apps Google Messages: The default messaging app for many Android devices, it supports RCS chat features, has advanced spam protection, and works across Android, Wear OS, and web browsers. Apple Messages: The built-in app for iPhones, iPads, and Macs, which handles both standard SMS/MMS and Apple's proprietary iMessage service. It integrates deeply with the Apple ecosystem and includes features like "Shared with You" and rich media sharing. Samsung Messages: A pre-installed messaging app for Samsung Galaxy devices that offers customization features, though it may not be on the newest devices.