LINE is a versatile communication platform that provides high-quality voice and video calls, instant messaging, and a rich collection of stickers and emojis to make conversations more engaging. It also supports group chats, multimedia sharing, and timeline features that enable users to post updates and interact socially in a manner similar to social media.

Yes, LINE prioritizes user privacy and security by implementing end-to-end encryption for messages and calls, known as Letter Sealing, which is automatically active for all communications. This ensures only the sender and receiver can access the content. LINE also regularly updates its security measures to protect user data.

While LINE mainly supports full features on a single smartphone at a time, users can access LINE on their computers via the desktop app that syncs with their mobile device. However, some features may be limited when using LINE across multiple devices.

Yes, LINE provides several extra services including LINE Pay for mobile payments, LINE Games for entertainment, and LINE Today for news updates. These services expand LINE's functionality into entertainment, financial transactions, and information sharing, catering to diverse user needs.

LINE includes advertisements that are generally unobtrusive, such as sponsored messages and banners within the app. Users can also choose the premium LINE Out service to make calls free of ads, offering an ad-free calling experience.