I used this app and found some problems.
1 I cannot select other maps providers such as Google Maps Web.
The default provider Bing updates their data so infrequently(I think they have updated the map data for the last time since 5 years ago). The maps data sometimes will give users wrong information. Please add Google Maps Web as a provider.
2 Connecting to the controller through Bluetooth serial port device is unavailable.
A number of users in China (As I know) connect the telemetry device to a Bluetooth serial port device to use GCS software on portable devices wirelessly. Not everyone has a condition to access the vehicle through network. So please provide the support of connection via Bluetooth serial port device.
3 Unexpected crash. I don’t know why it happens.
I also cannot reproduce the crash. But if it crashes during the flight, that is not good.
4 i18n support.
In android version this was already achieved. I am looking forward to seeing the i18n support in iOS version.