Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

facts about Katy Perry

  • Katy Perry
    Katy Perry
    Katheryn Elizabeth "Katy" Hudson, better known by her stage name Katy Perry, is an American singer, songwriter, and actress.