PayPal Here lets you accept all major credit cards, debit cards, cash, checks, as well as PayPal payments. It also allows you to invoice from the app--arguably its greatest selling point. Nearly all other mobile payment systems only accept credit cards and don't allow for debit processing.

The Cheapest Way to Get Paid

PayPal is slightly undercutting Square with a 2.7 percent charge per swipe, where Square takes 2.75 percent. Checks can be processed free, and mobile invoicing is available at no charge as well. By contrast, Intuit percent per swipe, and a high-volume option is available for $12.95 per month, giving the much better rate of 1.7 percent per swipe. You must be doing over $1000 worth of credit card business before you can move to the high-volume service.

Cheaper credit card processing rates are available for established businesses through banks and other merchant account companies, but that isn't the market PayPal Here is going for. It's after someone with a kiosk at a farmer's market, not a small regional chain of clothing stores. This also explains why PayPal hasn't , which can be expensive for a micro-business to adopt.

PayPal Here Uses Encryption, Too