However, Tran did note that 73% of the smartphone users polled sometimes or always use mobile devices to conduct price comparisons while inside of stores.

Tran added that consumers trust Amazon far more than PayPal or Apple when making online transactions. "If anybody is in position to dominate the mobile payment market, it's Amazon," Tran said in an email to Computerworld.

In a separate of more than 1,000 online consumers (using PCs and other access), 60% said they trusted Amazon most with their credit card information, 30% said PayPal while Apple and Google were each the most trusted by 5% of respondents.

Google sponsors Google Wallet with several NFC-ready smartphones, a system introduced a year ago that hasn't gained much steam, analysts said.

ISIS, a consortium made up of Verizon Wireless, AT&T and T-Mobile, announced on Wednesday, the same day as the iPhone 5 was launched, that it was of its mobile payment service in two cities without giving a start-up date.