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.
　
For more information please refer to the following document.
　 https://anglecam.derekr.com/download/Introduction_EN_20180223.pdf
　
■ 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) AngleCam Pro can use the text watermark or the graphic watermark.
(4) AngleCam Pro can import a user-defined font file.
(5) AngleCam Pro is ad-free.
　
　
Attention: If you cannot install this application it means your mobile device doesn't have an accelerometer sensor or a magnetometer sensor. You may be interested in another application which is called "NoteCam." However NoteCam doesn't include pitch angle information azimuth angle information and a horizontal line.
https://play.google.com/store/apps/details?id=com.derekr.NoteCam