No Support, No Alerts for paid app

Hi, I just bought the full version for 15,99€ and cant get the alerts working.
Also a german cell phone number is not accepted. I just need a simple way to get push notifications on stock prices.
Push notifications doesnt need a cell phone number.

StockTracker 6.8.5
iPhone 10.0.2

Pkiman2010 about Stocks Tracker:Real-time stock, v6.9.0