QR Code Reader ～ funktioniert nicht

QR Reader app helps you creating&sharing unlimited QR codes anytime in multiple formats, Such as, the QR Code of Facebook, Instagram, Twitter etc.  Account will be charged for renewal within 24-hours prior to the end of the current period and identify the cost of the renewal.  If you have a lot of QR code/Bar code need to be scanned, we provide a convenient and fast batch scanning function.  Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.  And you can use the batch scan feature for free for three days. Let’s try it!  Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.  You can use this function to scan your QR code in batches.  Payment will be charged to iTunes Account at confirmation of purchase.  The simplest & easy QR Reader - download now for FREE Trail!  Personalize and customize QR codes including colors, frames, and logos.  Have unlimited folders to manage your scan histories..  You can use this function to increase the scanning speed.  After all the scans are completed, you can check them together.  You have three options of subscription: $2. 99/week, 5. 99/month, $19. 99/year.