Turn off the TV and teach your kids about money and the stock market, and let them buy shares or give them a stock gift card to engage them in a portfolio with a growing value. 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. No online broker in our review matches Interactive Brokers in fees and trading tools. Placing regular stock trades and single-leg options trades is now a breeze, regardless of the broker used, and for brokers who offer complex options trading, it is mostly painless. Across the industry as a whole, although some functionality such as real-time streaming quotes, charting with multiple indicators, and synced watch lists are now pretty much industry standards, other functionality remains less common.