Web version:
1-year Premium plan subscriptions can be purchased using the following payment methods:
• Credit card (Visa / Mastercard / American Express / JCB / Diners Club / Discover) with yearly auto-renewal enabled by default
• PayPal
App version:
3-month Premium plan subscriptions can be purchased using the following payment methods:
• App Store (auto-renews every 3 months)
• Google Play (auto-renews every 3 months)