Monthly Subscription: You will be charged immediately after signing up. Then you will be billed once a month.
Annual Subscription: This is billed all at once after a 3 day trial period. Then billed yearly.
👉 If you already did a trial and cancelled, you will be billed immediately.
👉 If you already have a free site and upgrade from the pro tab on the bottom of the screen, you will be charged immediately.
Lifetime: You will be charged immediately, then never again for the site you have as pro. This will be billed once and is good for pro site forever.