Use Infusionsoft as Point Of Sale with Square Register payments
mPOS.sale gives you ability to swipe credit card and accept orders/subscriptions with Infusionsoft. As all orders are processed through infusionsoft, you can take advantage of Infusionsoft features, like post purchase actions, tags, campaigns etc.
All payments are processed through your Square account. You can use your Square account and swipers with this app. There are no additional transaction fees other than what you pay to Square.