I use both. Both have pros and cons. One big advantage of bisq is the possibility of edit offers „on the fly“ to adapt to the changing market. Another one is a larger number and turnover of offers.
But there’s also negative things: on-chain trading is damn slow. This scares off newbies. Also the fact that you need to maintain a certain btc balance for paying bonds. And of course: you can only trade if your bisq client is online.