Apple is "not a cell phone company," he said.
On Tuesday, the iPhone maker reported first quarter earnings and revenue that easily beat Wall Street's projections, helped by strong demand for the iPhone 7 Plus as well as Mac growth in its first quarter earnings.
"It was a dynamite quarter," CEO Cook told CNBC. "We are very excited about our pipeline."
Disclosure: Jim Cramer's charitable trust owns shares of Apple.
—CNBC's Anita Balakrishnan contributed to this report.