Hello, at the moment there are many payment systems in the world, and, judging by experience, each of them has its own advantages and disadvantages. Therefore, when choosing a payment system, you should proceed from the specific tasks of your business: what are your sales volumes, what is the geography of your customers, payment currency, and so on. Also, the payment system must support ApplePay processing, as this is a very important feature if you want to have sales in other countries.