More About Acorns Jeff and Walter Cruttenden founded Acorns to simplify investing for the millions that have trouble getting started or continuing to invest. Acorns is the first mobile investment application that lets you open your own investment account on your phone in a few seconds. Invest spare change automatically from everyday purchases into a diversified portfolio. Acorns allows anybody to invest small amounts of money, frequently, without commissions or minimum balances. People can sign up on their smartphone in minutes, round up and invest the change from credit or debit card purchases, invest on the fly, and track their investments in real time. Further, Acorns has teamed up with Nobel Laureate, Dr. Harry Markowitz, to construct optimized portfolios for its clients.