Study using the App for Tinnitus Treatment in Patients with Tinnitus.

INTERVENTION: Treatment group: App content for 16 weeks. Control group: App content for 16 weeks. CONDITION: Chronic tinnitus with associated suffering PRIMARY OUTCOME: Change in THI total score from week 0 at week 16 after study app prescription. SECONDARY OUTCOME: THI score; TFI score; NRS score; HADS depression score; HADS anxiety score; AIS score; PGI‐I score INCLUSION CRITERIA: 1)Outpatients between 18 and 75 years of age at the time of obtaining consent (regardless of gender). 2)Patients with clinically diagnosed chronic unilateral or bilateral tinnitus. 3)Patients who own a smartphone or other device that meets the required OS version (iOS 14.0 or higher, Android 6.0 or higher) and agree to use it for this study. 4)Patients who speak Japanese on a daily basis and determined to have sufficient reading comprehension ability to use the study app by the principal investigator.