A lot of technologies for wallets have been in place for years and more keep emerging everyday with exiting and enticing features but it is very easy to fall in for scams and a very poorly managed wallets. so keep your head up and read indeptly before investing in a crypto tool.
Good exchange should be able to manage your transactions and perform the normal send and receive functions at a minimum price. It should be able to assure you of your assets security
Monero gui is like the xmr native wallet that is developed and maintained by the team behind the monero project. Being the product of the monero, it offers you an impressive and well assured reliability. The functionalities are well developed, they enable easy navigation, you monitor your investments at ease as you have a fiat section where you can view the real value if your assets. Though it is owned and managed by the team I don't see it as a recommendable wallet as it doesn't offers a lot of flexibility. But if it suits you, go for