Apple launched its iPhone 5 in September this year, while the the iPad mini and the revamped iPad followed soon in October. The initial inventory for both iPhone 5 and the iPad mini were sold out soon after the pre-orders went live; now, an analyst suggests that Apple may sell around 194 million units of iPhones and 102 million units of iPad in 2013.

Michael Walkley, a technology analyst with Canaccord Genuity, forecasts that in 2013 Apple will sell 193.9 million smartphones and Samsung will sell 303.6 million. The combined sales of Apple and Samsung will be over 50 percent of market share.

"Given the current competitive dynamics, we believe Apple and Samsung will maintain dominant value share during Q4/12 with share gains for Apple versus Samsung expected in Q4/12," said Walkley.

The analyst also estimates that Apple will sell 101.6 million tablets, Samsung will sell 8.4 million tablets, and Amazon will sell 10.7 million.

Walkley indicated that the launch of the fourth generation iPads, which includes the iPad mini and the revamped iPad before the holiday season will see very strong iPad sales.

"In fact, with Apple's decisions to price the iPad Mini at a $170 discount to similar 4th generation iPad SKUs and competitively priced versus lower priced competing products from Google and other Android OEMs, we anticipate strong sales of the iPad Mini, especially as gifts during the holiday quarter. Further, we believe the iPad Mini significantly expands Apple's tablet addressable market internationally and should lead to strong sales throughout F2013 as international distribution increases," said Walkley.

At the launch event of the iPad mini Apple claimed to have sold 100 million iPads since its launch two and a half years ago. The question arises how the company will sell 100 million units in the next year alone. Apple chief executive Tim Cook indicated that 15 percent of its Q4 earnings were generated from China, which has a population of over 1.3 billion. Apple may target its retail in China to boost its iDevices sales.

Time will tell if Michael Walkley has made a correct sales forecast for iPads and iPhones.