Sort:  

No, not HDR. HDR is effect on your camera. EXIF are data encrypted to your every .jpg. Can be seen, for example, if you use Faststone Image Viewer – open the picture and press “I”.

It looks like this:

EXIF - 2017-06-16_095928.jpg

So this will remain constant on my phone for all pictures?

Yes, those info are automatically recorded.

Ok so ill download the app on my phone to get the stats, then i can just copy and paste that onto each picture, correct?