Please share a link. And in the future, try to share links or at least names of things you tell people about. If you can't find the link or name, then say so. I think saying only "the thing you want exists" is a little rude.
Are you sure that Ladder offers decreasing benefit insurance? I looked all over their website and found nothing about decreasing benefits. The name "Ladder" might imply the technique, called "laddering", of buying multiple policies to achieve decreasing coverage.
In the spirit of saving the search - yes, it does offer the ability to decrease coverage as needed, with premiums decreasing by the same percentage as well (i.e. if you decrease benefit by half, premiums decrease by half, too).
