Although Apple Pay is the most popular cross-merchant mobile wallet with more users than Google Pay and Samsung Pay combined, the Starbucks app was used for by nearly 1 million more US consumers for mobile payments in 2017, according to data from eMarketer.
This data is extrapolated from surveys of US consumers age 14 and older who have had made at least one proximity mobile payment in the prior six months. eMarketer estimates that 20.7 million US mobile proximity payment users made payment with the Starbucks mobile app, compared to 19.9 million who used Apple Pay, 9.3 million Google Pay and 8.4 million Samsung Pay users.
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