It&#x27;s Mac OS, not iOS, but <a href="http:&#x2F;&#x2F;sbooth.org&#x2F;Play&#x2F;" rel="nofollow">http:&#x2F;&#x2F;sbooth.org&#x2F;Play&#x2F;</a> also look around his site for other projects. I bought his Decibel player which is my favorite.