Apple's stock is already being punished for having a slowing growth rate and peaking margins, so a deal with China Mobile is very important to the company even if margins go down a little, Pearl said.
"They are better off getting more volume. Remember once you even sell a low-end iPhone, that customer is going to buy apps and they'll be a customer probably for the rest of their life, so you're really motivated to keep market share and gain market share."
The days of Apple selling products for ridiculously high margins and growing faster than competitors are being challenged and it will have to gain more market share of it is going to successfully compete with mobile devices running Google's Android in the future, Peal said.
"Today's customers of even low-end iPhone if they make a cheaper version will eventually trade up and buy the premium products and then they're in the Apple ecosystem forever," he said. "So they're really worried about market share because once you go to Android, you may not come back to Apple."