Twenty years ago, if you wanted to start investing, you might have called a full-service broker on the phone who charged outrageous fees just to make a trade. With roots in Silicon Valley, this brokerage began offering online trades using the Internet via America Online and Compuserve. If you want to invest and have no idea what to do, Acorns is the best stock trading app for beginners. As it offers you all the information about raw materials, forex currencies , stocks, binary options, bonds, rates of volatility, etc. If you know any other such apps, let us know in the comment box below.