If reading and writing are low priority, Pimsleur audio is my go to way to learn a bit of a language quickly before going somewhere. The app gives a free 1hr of every language so it’s a great way to try without getting stuck in a free trial you forget to cancel. Strongly recommend, as someone who has tried duolingo, clozemaster, and lingodeer in the past, Pimsleur is my preferred method for me by far.