AngleCam is a scientific camera application combined with GPS information (including latitude, longitude, altitude and accuracy), pitch angles and azimuth angles. In addition, AngleCam can leave a message, and put all information together into a photograph. 　 ■ The difference between "AngleCam Lite" and "AngleCam Pro." (1) AngleCam Lite is a free App. AngleCam Pro is a paid App. (2) AngleCam Lite has a "Powered by AngleCam" text (watermark) in photographs' bottom right corner. (3) AngleC