Cake wallet is one of the best wallets for iOS users, wherein it is considered as one of the safest options. You can exchange your Monero holdings for different currencies through Cake wallet. The best part is that you are in charge of your private keys, and you can control it. It is safer than most of the desktop wallets or web wallets. As iOS restricts root-level access, which is inbuilt, it makes it more secure than other wallets. The code is completely open-source and gets audited by the community on a periodical basis.