Yes i did same thing first i upload it from app and after that i tried with desktop website for the second trip but same issue and no good quality in the uploaded images.
Yeah..same problem with me. In mobile app, photo resolution is getting degraded after uploading. but its same in web application. I have recently started blogging.
There's nothing you can do. They need to keep their platform lite so they reduce filesizes. But if you have great whiskey image max 15mb the output will still be v visually pleasing. Check out my photoblogs for reference