If you go with a yearly plan for MEVVO, you'll save 20%!
Are you a customer and want to upgrade? Go to https://www.mevvo.com/billing. From inside the billing portal, you'll be able to change your plan from a monthly to a yearly subscription and lock in the 20% discounted rate.
If you're not yet a customer, go to https://www.mevvo.com/pricing. Make sure you click the “Bill yearly” tab and sign up for the plan of your choice.