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
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.