Web version:
You can subscribe from this page.
*You must be registered as a free member to purchase a subscription to a Premium plan.
*Only the 1-year Premium plan is available on the web version.
App version:
You can subscribe to a Premium plan from the Premium Plan screen after installing the app.
*You must be registered as a free member to purchase a subscription to a Premium plan.
*Only the 3-month Premium plan is available on the app version.