Both platforms have a massive advantage that they charge less from the creators as compared to Patreon. When discussing Buy Me A Coffee, you do not need to create an account to accept donations, and they charge around 5% once you start earning any money on the platform. However, Ko-fi charges 0% on one-off donations made to you. And only charges 5% for all other memberships and shop purchases which gives an edge compared to Buy Me a Coffee.