Two million women in more than 180 countries have downloaded Clue since its launch in 2013. They love and trust Clue because it is accurate, fast, secure and easy to use. Clue’s mission is to empower women to be in charge of their lives while moving science and health research forward. The startup was founded in 2012 by a Danish female entrepreneur, Ida Tin, who is convinced that technology will profoundly change the future of family planning.