The invention relates to a rotary magazine distributor apparatus (16) comprising a plurality of vertical channels (20) containing piles of respective different articles (6). The apparatus is arranged in order to dispense automatically articles selected by a buyer and which may have different prices. The rotary magazine (16) is provided with a powered driving system (24). A powered distribution mechanism (30) occupies a stationary location under the magazine and comprises an ejection finger (34) intended to push horizontally the lower article of the pile. A side casing (10) contains an electronic unit which controls all the distribution functions on the basis of information received from an electronic coiner, from a selection keyboard (15) and from stationary detectors (43) indicating the position of the magazine, the identity of the channels (20) and the presence of articles (6) in the channels.