Spanx Vs Assets Shapewear Review - EzineArticles The first difference exists in pricing. Assets Shapewear is a brand, owned by the Spanx Company, that offers a more economical and affordable version of Spanx Shapewear. Spanx offers a wide line of products for women. This line includes full body shapers, bras and panties, swimsuits, pantyhose, leggings, and men's shaping undergarments.