iNavigator

iNavigator is an aircraft navigation app for the iPhone and iPad featuring a moving map view, Horizontal Situation Indicator, a worldwide navigation database, airspaces limits, terrain elevation and weather data. Includes App for Apple Watch 1 and 2.
Full integration with the iOS environment allows creating, modifying, and activating a route, or performing a Direct-TO, using simple touches on the screen.
iNavigator implements both Route Navigation and Direct-to Navigation and Vertical Navigation (VNAV). Routes, User Waypoints, Flights, Aircraft data, are saved in the Document folder in GPX/XML format.
The built-in simulation mode allows to connect the app to Microsoft Flight Simulator FS9/FSX or Lockheed Martin Preapar3d via WiFi.
iNavigator can run in background and continue to navigate the selected route when using other apps.