It is very competitive with Bitpay. The Cashapp card does charge a Withdraw fee for ATMs but you can use Bech32 Bitcoin Adresses with cashapp so the Transaction fee can actually be MUCh cheaper than Bitpay unless you use BCh with Bitpay ;)
If you are asking about fees for converting BTC to USD and back, its also very competitive and when you compare to Coinbase I believe it is cheaper and definitely faster!