Should I use Coinbase or Uniswap?

I'm torn between using Coinbase and Uniswap for my crypto trading. Could you help me decide? Coinbase seems like a solid, established platform with a good reputation, but Uniswap offers more decentralized options. Which one would you recommend for someone who's just starting out in crypto but wants to explore beyond the basics? I'm also concerned about security and fees. Coinbase seems safer but Uniswap might have lower transaction costs. What's your opinion on this? I'd really appreciate your advice on making this decision.