Cons The self-directed investor may be annoyed by the constant push to engage a financial advisor Limited options trading capability No forex or futures trading. Download one of these stock market apps on your iPhone or iPad to keep track of investments, stocks, and market news. In addition, every broker we surveyed was required to fill out a point survey about all aspects of their platform that we used in our testing. TD Ameritrade actually offers multiple mobile apps depending on your needs. Pros Streaming strategy options chains are a relatively unique tool Futures traders can use the mobile futures ladder. E-Trade is also the owner of OptionsHouse, which has its own powerful app for active traders of stock and options. This is great for kids, teens and family portfolios where you can make investing a family activity.