Checking in 4 months later. BlockFi charges 0 fees on ACH transfer deposits and withdrawals. Celsius charges 0.1% via its partner Wyre. Sources:

• https://blockfi.com/ach-terms-faq

• https://support.celsius.network/hc/en-us/articles/360011214258-What-are-the-fees-for-buying-crypto-within-the-Celsius-app-

Celsius is a great platform—I'd love for them to get rid of these fees as well.