What is the best app to buy Tron TRX?

Hello there, I'm curious to know which app would you recommend for buying TRON (TRX)? I'm looking for a platform that's user-friendly, secure, and offers a wide range of trading options. With so many options available, it's tough to decide which one is the best fit for my needs. Can you share your thoughts on the matter? Thank you in advance for your guidance.