Churnly For WordPress:

Reduce Your Customer Churn, Automatically. Do you automatically bill your customers each month for recurring memberships or subscriptions? Over the next 12 months, 24% of those customers will stop paying you simply due to failed payment methods that aren't updated. Churnly is the only solution for WordPress that allows you to easily recapture failed recurring payments through a completely automated process. On average, Churnly increases its users' annual revenues by 7%!