InvestIN. InvestIN. from David Sfeir InvestIN. IvenstIn is a mobile app that helps new and curious investors broaden their Financial literacy, test their knowledge, and practice what they learned. View Website gLike InvestIN. IvenstIn is a mobile app that helps new and curious investors broaden their Financial literacy, test their knowledge, and practice what they learned. View Website User Interface UX UX Research Visual Design Share R 7 n David Sfeir UX/UI Designer Montreal, Canada Follow Contact