WhatsApp is an internationally available freeware, cross-platform, centralized instant messaging and voice-over-IP service owned by US tech conglomerate Meta. It allows users to send text and voice messages, make... 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