Year Month and date Event type Details 2009 February 24 Company Jan Koum incorporates WhatsApp in USA.[2] 2009 August Product WhatsApp 2.0 is released on the App Store for the iPhone.[3] 2009 October Funding Brian Acton persuades five ex-Yahoo! friends to invest $250,000 in seed funding, and is granted co-founder status.[2] 2009 December Product WhatsApp for the iPhone is updated to send photos.[2] 2010 August Product WhatsApp support for Android OS is added.[4] 2011 January 21 Competition WeChat, a messenger app, is founded.[5] It eventually becomes very popular in China.