Original ResearchPublished 26 August 2026Caution with app-based hearing self-tests with vulnerable populations: preliminarily findings of digits-in-noise (DIN) testing vs. pure tone audiometry (PTA) in a rural, low-resource outreach clinic in Huruma, TanzaniaRachael Collins · Kenny Mlay · Thomas Hampton · Timothy DaviesFrontiers in Audiology and Otologydoi 10.3389/fauot.2026.1896918