In the US, the in-store mobile wallet space is becoming increasingly crowded.
Most customers have an option provided by their smartphone vendor, like Apple, Android, or Samsung Pay.
But those are often supplemented by a myriad of options from other players, says Business Insider.
PayPal, banks, card issuers, major retailers, and restaurants all offer similar cards and deals.
US in-store mobile payment volume will quintuple in the next five years.