For example, I have a card with a front and a back, set to Basic(and reversed card). So that shows up as having two cards on my desktop app. When I export(I have to use “support older Anki versions” for some reason to make ankiapp happy) to anki app it takes what should be two cards and makes it four. Shown below is an example
In the desktop I have a card that is front “a” and back “b”. but when I export and import to ankiapp it becomes two that are front “a” back “b” and two that are front “b” back “a”. for a total of 4.