AudioCardio Update: New Features to Improve Hearing Loss & Tinnitus

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(Click here to sign up for AudioCardio¬†and use offer code RT20DC for 20% off – includes a 2 week free trial!) For more than a year now, I have been carefully following the work and progress of an innovative company called AudioCardio. AudioCardio is an evidence-based mobile app that delivers a new (and proprietary) kind of sound therapy called Threshold …