So I've been doing some research on this topic.
Personally, I prefer KuCoin, since their UI looks really nice and I like the KCS bonus (I referred myself ) Also they add the new currencies faster.
What are your thoughts on this?
Some links I found:
https://coinanalysis.io/kucoin-vs-binance/
https://cryptofastlane.com/blog/kucoin-vs-binance-exchange-kucoin-better-binance-best-cryptocurrency-exchange/