So, yes, meditation apps may help us meditate, and meditation may reduce anxiety. Weighted blankets may calm us down long enough to fall and stay asleep, which will help us feel better the next day. And fidget devices can distract us so that instead of ruminating on negative thoughts, we’re expending mental energy on something physical.
Products that are designed for people with disabilities often have benefits even for those without that disability. That does mean the product cures or treats an underlying condition. It's just a tool.