Inventory Tracker Pro funktioniert nicht

Inventory List is a super useful app to help you shift the burden of inventory management from your brain to your iPhone & iPad.  If you purchase Inventory List Pro, payment will be charged to your iTunes account.  We made Inventory List to off-load the mental workload of inventory management and make it more accessible and more straightforward to accomplish.  Use templates and custom fields to track asset details like prices, barcodes, and other helpful information.  The multi-user yearly subscription is USD 99. 99/year. Prices are in U. S. dollars and may vary in countries other than the U. S. and are subject to change without notice.  Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase or by navigating to your Apple ID in the settings app and managing subscriptions.  You can invite other users to work on your inventory with their own devices.  Effortlessly perform inventory counts across multiple locations.  Lightning-fast search and smart custom filters to help you find what you need faster.  Keep track of inventory like a pro!  Import your data via CSV using a custom template & export precisely the data you want.  It includes helpful information like date, user, item, status, and more.  Organize with tags, collections, locations, folders, and filters.  Visual stock indicators can tell you at a glance what is out-of-stock, what is running low, and where.  Your account will be charged for renewal within 24-hours before the end of the current period.  Every transaction is recorded, including stock transfer, increase/decrease, deletion, etc.