Rightly or not, I looked for the pricing nav bar item and couldn't find it. Is this a monthly/annual pay-for service? There are many instances of "free" on the

Rightly or not, I looked for the pricing nav bar item and couldn't find it. Is this a monthly/annual pay-for service? There are many instances of "free" on the site, but no explicit "this product is [free|pay-for]" statement anywhere that I could see.