using Anki app for the vocabulary/flashcard repetition it's free on android, but quite expensive on apple, oops but i think the web version and sync is always free all cards are mine though some sentence examples are taken from online dictionaries the ones that sound werid are naturally mine am only B1 so many mistakes will follow the delayed sound effect is due to me listening to my own voice as part of my voice therapy routine i could have locked it out in the recording but i like the effect the other, esoteric, third language that appears sometimes is