Square's POS system is known for straightforward pricing, minimalist hardware, and a user-friendly interface. Minimalist POS system with optional software add-ons Keep reading to get our picks for the best POS systems of 2021. On top of that, you should also think about how much you're willing to spend on a POS system (including the hardware, software, rental fees, and payment processing costs). To find the right POS system, you should consider which features you need for your business - whether that's simple transaction processing, accounting and invoicing capabilities, or inventory management functionality. Best-in-class POS systems will include additional features, such as secure payment processing and integrated software that streamlines accounting and administrative tasks. In terms of functionality, a typical POS system provides a way for businesses to accept payments made with credit cards, debit cards, and mobile devices. This ebook, based on the latest ZDNet / TechRepublic special feature, helps small and medium-sized businesses build a technology stack that promotes innovation and enables growth. Special report: The new SMB stack (free PDF)