Service overview

WhatsApp is a cross-device messaging and calling service for phones and computers that aims to make staying in touch easy, dependable, and private. It lets people chat one-on-one or in groups, place voice and video calls, and share moments with friends and family across the globe.

Private conversations

  • End-to-end encryption keeps chats and calls readable only by the participants; the platform cannot see or listen to them.
  • Conversations and calls are free to use and work across mobile and desktop clients.

Group communication and calling

Group interactions are designed to feel natural and immediate. Calls can include many participants, and the app supports both voice and video so members can connect as if they were together in the same room. Recent updates increase participant capacity for group calls and add features to help plan and run group conversations more smoothly.

Ways to express yourself

  • Share animated GIFs and expressive stickers, post updates to Status, or record short video notes and voice messages (up to 60 seconds) for quick, personal exchanges.
  • For longer or more spontaneous moments, you can send traditional videos, photos, and text messages.

Tools for businesses

  • The Business version offers automated messaging options such as Away Messages to send scheduled or automatic replies when staff are unavailable.
  • Companies can present catalogs, engage customers around the world, and use the app to improve sales and customer relationships at scale.

Upcoming and experimental features

WhatsApp continues to add capabilities to help users manage conversations faster and more easily. Examples include an AI-assisted writing tool that runs with privacy-focused processing and a message-summary feature that produces brief overviews of unread chats. Additional enhancements for planning and interacting in group calls are also being introduced.

Why people choose it

Overall, the platform combines global reach, continual feature updates, and a strong focus on privacy to provide a reliable way for individuals and businesses to communicate securely and efficiently.

Technical

Title
WhatsApp
Requirements
  • Windows
  • Android
  • iPhone
  • Mac
Language
English
Available languages
  • German
  • English
  • Spanish
  • French
  • Italian
  • Japanese
  • Polish
  • Chinese (Simplified)
License
  • Free
Latest update
2025-09-30
Author
WhatsApp Inc.
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