WHIN is the german abbreviation for "Wo hab ich nur...?": "Where is my...?". If your sentences often start like that you definitely need this app. You put your stuff where you think you will find it again? And then you always have to go looking for it, because you forgot? Use WHIN to remember where you put your stuff. Enter the name and location, take a picture, done. That way you always have an inventory of your basement, attic, closet and storeroom.