The app provides two basic hearing test: pure-tone audiometry and the speech intelligibility test (the digits-in-noise). Pure-tone audiometry determines the degree of hearing loss in relation to the sound frequency. The test consists in determining the quietest sound that you are able to hear, thus determining your hearing threshold. The digits-in-noise test evaluates speech intelligibility and consists of recognition of the digits in the noise. The features of the Hearing Test app: * pure-to