Blain Reinkensmeyer November 5th, The mobile app opens with a portfolio summary and presents performance statistics that you can customize. Fidelity mobile app markets overview. Charles Schwab allows its customers a wide range of assets to trade, including hundreds of commission-free exchange-traded funds. Finishing third, TD Ameritrade stands out for offering two separate apps, Mobile and Mobile Trader, for traditional investors and active traders, respectively. Once logged into the app for iOS or Android, you can view your investments or enter trades for stocks, ETFs, mutual funds and options including, some more complex option trades.