Shipping volume fell 6 percent, to 49.4 billion units, from the third quarter of 2001.
Commission revenue fell 34 percent, to $382.9 million, from the 1987 quarter.
But revenue fell 9 percent from the second quarter.
Revenue fell 3 percent from the 1991 fourth quarter, to $7.5 billion.
Volume fell 13 percent from the first quarter, when nearly a billion shares changed hands.
That was a reason its available cash fell to $2 billion at the end of the quarter, down about $220 million from the first quarter.
Apple's sales to education fell 14 percent from the quarter last year.
Growth fell 2.3 percent in the third quarter from the second quarter.
Sales fell 9.3 percent from the second quarter a year ago.
Net income fell 40 percent from the quarter a year earlier, to $18.7 million.