TD Ameritrade is described as 'Combines innovative trading technology, easy-to-use and understand trading tools, investment services, investor education and outstanding client service to create a great financial services experience' and is a Stock Trading app in the business & commerce category. There are more than 50 alternatives to TD Ameritrade for a variety of platforms, including Web-based, iPhone, Android, Windows and iPad apps. The best TD Ameritrade alternative is Robinhood, which is free. Other great apps like TD Ameritrade are MetaTrader, eToro, StockTwits and AmiBroker.