Final call For a single vape shop that wants compliance out of the box, choose KORONA POS — built-in ID scanning and vape-capable processing remove the two biggest failure points in one purchase. For a growing chain with serious inventory needs, Lightspeed Retail is worth the extra assembly (pair it with a high-risk processor from our payment guide). For compliance-heavy operations, Cova is the premium safety net. And whatever you do — do not run vape on Square.