Investing Brokers. First is the basic TD Ameritrade Mobile app, which gives you much of the power you have on your desktop stock trading app in a mobile experience for iOS, Android, and Windows phones. Pros Streaming strategy options chains are a relatively unique tool Futures traders can use the mobile futures ladder. TD Ameritrade Mobile Trader is better for advanced and active investors, as it is loaded with charts, technical indicators and analysis to help you make trade decisions and enter on the go. The popular investing app also offers a premium account.