Once your dollars land in your account, Acorns will automatically build a portfolio of stock and bond investments based on a brief questionnaire you complete when signing up for a new account. In addition to charts, the app offers real-time stock quotes, watch lists and, for an optional small charge, «Insights» investment research. Cons Streaming data available only on native iOS and Android apps, not on the mobile website Some advanced options analytics are not available on mobile. Best for Beginners: Acorns.