Store Proven Point Of Sale Software Since 1988. Retail Plus POS is a powerful retail management program for Microsoft Windows. It allows users to maintain absolute control over all aspects of sales and inventory while presenting an easy and professional customer checkout. It is a great solution for both the sales counter and telephone order desk. Our mission is to create award winning POS software that delivers the right mix of simplicity, features and price. Why Automate Sales With Retail Plus? A point of sale system serves you by saving time, increasing accuracy and controling what happens at the sales counter. But most point of sale software involves high prices, complex setup and big training requirements. Retail Plus POS is the alternative that removes these barriers with an easy to use, affordable system.