Stock trading apps are mobile applications that allow users to buy and sell shares of companies directly from their smartphones or tablets. These apps provide real-time market data, charts, and news, making it easier for investors to make informed decisions. Many stock trading apps also offer features like educational resources, stock screeners, and portfolio tracking. Most stock trading apps are designed for both beginners and experienced traders, often providing user-friendly interfaces and low or no commission fees. Popular examples include Robinhood, E*TRADE, and TD Ameritrade. These platforms have made investing more accessible to a wider audience, encouraging more people to participate in the stock market.