"The big question is - who is Square competing with."
Anecdotally, tons of other people. Looking at the coffee shops and smaller stores in my area there's a pretty wide array of iPad-POS systems in use that aren't Square. In fact where I am (NYC) I'd wager that Square holds a plurality of that market rather than the majority.
Most of their frontends (in so far as I have to interact with them as a customer) aren't quite as slick as Square's, but they do get the job done, and presumably vendors use them because they're cheaper, which only underscores how fragile Square's business is.
These third party solutions aren't as sexy or slick as Square, but ultimately when it comes to payment processing sexiness is very, very far down the list of priorities.
It's also worth noting that there are big juggernauts moving in on Square's territory of physical transactions - PayPal being one - who already run enormous electronic payment volume. Stripe also has a big piece of the electronic payments pie and can potentially move in on Square's territory, while Square has so far been unable to branch out beyond physical payments.
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Anecdotally, tons of other people. Looking at the coffee shops and smaller stores in my area there's a pretty wide array of iPad-POS systems in use that aren't Square. In fact where I am (NYC) I'd wager that Square holds a plurality of that market rather than the majority.
Most of their frontends (in so far as I have to interact with them as a customer) aren't quite as slick as Square's, but they do get the job done, and presumably vendors use them because they're cheaper, which only underscores how fragile Square's business is.
These third party solutions aren't as sexy or slick as Square, but ultimately when it comes to payment processing sexiness is very, very far down the list of priorities.
It's also worth noting that there are big juggernauts moving in on Square's territory of physical transactions - PayPal being one - who already run enormous electronic payment volume. Stripe also has a big piece of the electronic payments pie and can potentially move in on Square's territory, while Square has so far been unable to branch out beyond physical payments.