Point-of-sale (POS) systems are a critical tool for any business in the food service industry. Food trucks, in particular, need specialized POS software and hardware to take orders and process transactions in a small space. The best POS solutions for food truck owners are affordable and provide features that facilitate sales on the move. To help food truck owners choose a POS system, we studied dozens of options. Our rankings focused on features that food truck owners need, including easily portable hardware, user-friendly software and the ability to accept mobile orders.