Investing in stocks has become an everyday affair, especially for smartphone users. There are several stock trading apps available on Google Play store as well as Apple App store that you can often get confuse on which one to try out. A good stock trading app will offer the ability to buy and sell shares of stocks and ETFs with no commissions. These stock trading apps also allow you to research investments, track portfolio, and quickly enter orders to buy or sell stocks. We have listed 5 best stock trading apps for Android and iOS users in 2021: Take a look at the list here (in no specific order).