Products of Walter Schurter
Mobile \ Music
You get best results with "iPad Air" or "iPad mini retina" connected to a stereo equipment thru the earphone connector (do not use Bluetooth which has to much delay time). Before you buy, please see the "known problems" on the bottom. This App "Auto Accompanist" has the same features as the popular.
Free download of AAccompanist 1.0.1, size