WhatsApp Inc. is an Android developer, who started in 2010, and thus is one of the Android pioneers. The current app portfolio contains 3 apps. In the Google rankings, WhatsApp Inc.'s apps appear in the top 100 in more than 10 countries. A popular app is WhatsApp Messenger
, which is highly ranked in several countries and, with over 1 billion installs, is one of the most popular apps in the Android ecosystem.