I'm actually opened a Robinhood account last month....I can tell you it's free commission. I have made over 20 trades so far without paying a single penny in commission. Yes you can opt to the gold plan for a margin account and extended hours trading....now the app is very very very basic. I guess that's what comes with free commissions, I mean how many investors who use online brokerage accounts actually use every single option available to them? I know about 4-5 people who use Robinhood. They are pretty much first time traders...I was speaking to one of robinhoods competitors the other day and they couldn't believe how Robinhood could give free commission to stock trades, they asked me how they make their money. Pretty simple. They take all the millions accounts with all the tens of millions of dollars in them and grab the interest, so instead of a money market account bearing Say 2% interest that would otherwise be yours is actually going to them. Hey I say that fine. Brokers are charging 5-6-7 dollar trades...which by historical measures is actually still very cheap but if you can have free commissions why not....I have heard brokers are trying to push free equity trading soon. I think in the next 2-3 years there will be another price war where brokers lower commission costs even more, then I believe in the next 3-5 years all equity trading will be free....should get interesting moving forward.