PaydeoPro is an OMNI POS cloud based POS app for an iPad, iPhone. Ideal for mobile and web connectivity that lets you sell, stores products in a physical, retail setting.
Its quick and easy: browse your stores catalog, pick a customers products, swipe their credit card, and print a receipt or send it through email.
Paydeo Pro also offers a full ecommerce site and social media commerce plugins (for Facebook, twitter etc.)