The PiCUS Tree Motion Sensor Online System are controlled by this mobile application. It depends on two parts: The central unit TMO.CU and a few Inclination Sensors TMO.IM. The central unit is connected to this App via Bluetooth LE and manage the Measuring for the System and the Inclination Sensors and save the results in Cloud memory. For the internet connection WLAN or Lte mobil network is used. The TMO.IM are completely sealed to protect it against dust and constant submerging in water. Both parts could stand long time outside, because the are reloaded trough solar panels. It is also advantageous that the mobile iOS device (iPhone or iPad) has location tracking enabled to give the actual geographic position and direction to the TMO.IM's on Start of measurement. The main function of this application is to manage the measurements of the TMO.CU and the TMO.IM's with the right configuration. The system can be expanded with a TMO.WM wind sensor.