Flixel Plans are auto-renewing prepaid subscriptions. You can update your payment method prior to renewal in your account settings on flixel.com or in-app. Select Manage Subscription to be redirected to the store in which your subscription was purchased to update your payment method or cancel your Flixel Plan.
Select Account Settings under the profile tab and then Manage Subscription to update your billing info.
Cinemagraph Pro for macOS
After signing in to your account, select Account Settings on the Account & License window. The Account & License window can be found under the Cinemagraph Pro menu or by using the keyboard shortcut ⌥⌘A (Option-Command-A). Select the Plan tab and then Manage Subscription to update your billing information.
Cinemagraph Pro for iOS
After signing in to your account, select Flixel Cloud under the Account tab. Select Manage Subscription to update your billing information.