Which flutter apps do I likely use?
I don't think that's the developers fault though, I don't have that issue with any other android app.
I don't know how syncing my 200 albums can be that slow but they are a big project to move it off of the main thread.
It has some very annoying non-native behavior, like bringing up the text selection/highlight menu in inappropriate places (in a word puzzle with no selectable text).
I've solved thousands of daily crossword puzzles in that app.
I can't tell if the same applies to Square or American Airlines but I would not be surprised.