Cross-platform free calling and messaging
LINE is a no-cost communication app that runs on smartphones, tablets, and desktop computers. It supports voice and video calls over the internet (VoIP), group audio/video conferences, and standard messaging that can include text, photos, videos, and voice clips. Desktop clients are available for Windows and macOS, while mobile apps support Android and iOS, so you can reach contacts across most major platforms. Call quality is generally good but depends on your Wi‑Fi or cellular data connection.
Core functions and standout extras
- Group voice and video meetings for catching up with several people at once
- Large collection of expressive stickers and emoticons, with additional themed packs available for purchase
- Standard chat features: threaded messages, multimedia sharing, and voice notes
- Live TV and other in-app entertainment options that add value beyond messaging
- Cross-device sync so conversations can continue on PC, Mac, or mobile
LINE’s sticker economy—particularly popular in Japan—has driven much of its user engagement. The app’s polished, user-friendly interface makes it easy to use on both phones and computers.
Built‑in AI assistant (ChatGPT integration)
LINE now includes an integrated AI chatbot, often called AI Chat‑kun, powered by the ChatGPT API. The assistant is accessible without leaving the LINE environment and can handle a wide range of requests, including:
- Drafting long-form text such as essays or reports
- Producing travel plans, recipes, or step‑by‑step instructions
- Generating email templates, messages, or other written drafts
- Offering suggestions, troubleshooting tips, or general advice
Note: the ChatGPT feature is primarily available in English and is optimized for desktop use, so mobile users or non‑English speakers may encounter limitations.
Who should try LINE and what to consider
LINE is a great option if you enjoy rich stickers, want a polished cross‑device experience, or have contacts in Japan and parts of Southeast Asia where the app is widely used. However, its usefulness is limited if few of your friends or family use it—messaging platforms are only as valuable as the network behind them. While LINE offers many attractive features, it hasn’t achieved the same global penetration as some competitors, so it may not be the best single replacement for apps like WhatsApp in every market.
A note on alternatives
If you’re exploring similar services, WeChat is a commonly recommended alternative with a broad feature set and large user base in some regions.
Technical
- Windows
- Android
- iPhone
- Mac
- German
- English
- Spanish
- French
- Italian
- Japanese
- Korean
- Portuguese
- Russian
- Turkish
- Chinese (Simplified)
- Free