Quick Mass Image Downloader licensing is a one-time fee with no expiration date, except for free support which is available for one year after the date of purchase. Note that the payment is entirely handled by Stripe, one of the most used payment platform on the Web. We (Quick Mass Image Downloader) do not have access to any of your banking information. Prior to February 2021, licenses were purchased from the Chrome Webstore using Google's paid payment services. Unfortunately, Google has decided to close this service. That's why The payment system is carried out through Stripe.