Invoice Maker・Estimate App funktioniert nicht

Invoice Maker is a simple and quick way to create, manage, track and send invoices.  Invoice Maker is simple to use and intuitive app which enables you to prepare invoices & estimates, anytime and from anywhere.  With Invoice Maker, you can manage all your invoices and estimates like a pro, from your iPhone and iPad.  A perfect solution for small business owners and freelancers, Invoice Maker takes care of all your accounting needs.  Invoice Maker is not just limited to creating invoices.  Your data remains secure with Invoice Maker.  Invoice Maker enables you to view an organized summary.  If you have any feedback for us, do let us know. • Price of subscription, and price per unit if appropriate: 3 day Free Trial $9. 99/Month, $49. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.  Create a PDF version of your invoice and send a hard-bound paper copy to your client.  With Invoice Maker 2, you get numerous customized templates.  See the invoice, payment details and even estimate categorized by month, by the year or by item.  Leave a great first impression with a professional looking, clean and customizable invoice!  Enter details on your iPhone/iPad and your invoice is ready.  Get this virtual accountant for a smooth and efficient invoice management.  Convert the estimate into a proper invoice later.  Your subscription will automatically renew unless cancelled at least 24 hours before the end of your current subscription, and you can cancel a subscription during the active period.