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. Methodology Investopedia is dedicated to providing investors with unbiased, comprehensive reviews and ratings of online brokers. View terms. TradeStation Mobile As a trading technology leader, TradeStation shines, supporting casual traders through its web-based platform, and active traders through its award-winning desktop platform. Best for Banking: Charles Schwab. Schwab Mobile lets you manage all of your Schwab investment and bank accounts with one mobile app.