PDF Scanner-Genius Scan App funktioniert nicht

You can manage your subscription and switch off the auto-renewal by accessing your account settings after purchase.  Your account will be charged for a renewed subscription within 24 hours prior to the end of current subscription.  Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current subscription.  You cannot cancel the current subscription during the active subscription period.  Payment will be charged to your iTunes Account at confirmation of purchase.  If you are a student and anyone working in a small business: accountant, real estate agent, manager or lawyer.  Portable scanner: Quickly scan, edit, save, and share any document in PDF or JPG format.  Then you must need this App!  Any unused part or time-span of a free trial period will be forfeited, as soon as you purchase a subscription.