Scan Master funktioniert nicht

It can change paper into PDF while saving time and storage. - Scan all kinds of documents, pictures, books, business cards, invoices and recipes etc. - Sign your scanned documents with your signature.  Scan Master is a mobile scanner for your smartphone to extract information from books, business card and photos.  Scan Master is an intelligent tool for students and many officers. - Subscription start from USD 2. 99 (price may vary depending on location). • Payment will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • You can manage your subscription and/or turn off auto-renewal by going to your iTunes Account Settings, but refunds will not be given for any unused portion of the term.