VariFlightPro funktioniert nicht

diese App is a professional tool for aviation professionals that is open only to users who work in the aviation industry. diese App has comprehensive global flight status information, airport dynamic information, to help aviation employees understand the operation of the flight, but also civil aviation staff to exchange and share information platform. diese App's main features include flight information, real-time flight tracking, airport status analysis, aeronautical meteorological information, on-time report, VHF, etc. --Membership rights: Access all member-related functions in the App (such as viewing historical flights, historical messages, ADSB multi-dimensional screening, reminding abnormal flights, removing advertisements, etc. ). --Subscription period: 1 month (continuous monthly subscription products for members), 3 months (continuous monthly subscription products for members), 12 months (continuous annual subscription products for members). --Subscription price: subject to iAP application information, for example, the monthly subscription product is 16 yuan per month; the annual subscription product is 158 yuan per year. --Payment: After the user confirms the purchase and pays, it will be credited to the iTunes account. --Cancel renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in the iTunes/Apple ID settings management 24 hours before the current subscription period expires. --Renewal: Apple’s iTunes account will be deducted within 24 hours before expiration.  After the deduction is successful, the subscription period will be extended by one subscription period.