Widex Zen, Tinnitus Management i App Store (apple.com)

Widex, a manufacturer or hearing aids located in Denmark, received the award for innovation related to tinnitus at a world wide conference . There is some interesting data, along with access to what other hearing instrument manufacturers are doing relative to tinnitus.
https://apps.apple.com/us/app/widex-zen-tinnitus-management/id1195907597?l=da
There is interesting information at this link about how hearing aid manufacturers are developing apps that help mask tinnitus. Scroll down to the bottom of the article for information about a variety of hearing aid manufacturers who are working on this.