Mailytics offers four different paid subscriptions. You can view the pricing page and the different subscriptions we offer at https://www.mailytics.io/pricing.
To upgrade or change your subscription at anytime go to the settings page by hovering over your name in the top right of your screen and click on "Settings". Next click on the "Subscription" tab found on the left side of your screen. This will take you to the "Subscriptions" page where you can upgrade or cancel your subscription. Now to change your subscription, just click on the "Change your plan" button and follow the directions on screen.