At the initiative of President Ts.Elbegdorj and with the support of the Presidential Administration, the Language Society and Informatics Society at the Academy of Sciences an encyclopedia of the Mongolian language as the website www.монголтоль.мон and www.mongoltoli.mn has been created. Work took a year and was undertaken between December 2014 and December 2015. Subsequently a mobile version of this encyclopedia for android system users was launched on 2nd February. Yesterday (22nd February), a new version for iOS system was launched at the AppStore. In addition, the application or website enables guests to edit and add new word meanings as well as add and images to this dictionary. The download link is: itunes.apple.com/us/app/id1084230579.