I was exploring this a few months back. If you’re in the U.S the choices are slim, just spritz.finance and BitPay are available. Far as I can tell bitrefill ended services for U.S customers but still operates for other nations. 

I did try spritz and BitPay. Neither are great and I hate saying it but BitPay was the easiest and cheapest option 

Maybe @jack & @jack mallers can push @CashApp or @strike to help us out in the future 🤞🏻