WhatsApp Messenger, or simply WhatsApp, is an internationally available American freeware, cross-platform centralized instant messaging and voice-over-IP service owned by Meta Platforms. It allows users to send text messages... Wikipedia
- Original author(s): Brian Acton, Jan Koum
- Developer(s): Meta Platforms, Will Cathcart (Head of WhatsApp)
- Written in: Erlang
- Operating system: Android, iOS, KaiOS (There are also Mac OS, Windows and web app clients that work only when connected to the mobile app client.)
- Size: 178 MB (iOS), 33.85 MB (Android)
- Available in: 40 (iOS) and 60 (Android) languages
- Type: Instant messaging, VoIP
- License: Proprietary software with EULA ("European Region", others)
- Data source: DuckDuckGo