Shopify updates your inventory, orders, and customers in real-time so you don’t have to. Websimple can install this equipment in your store and integrate with your online presence! contact us for more details and pricing.
Read more here – https://www.shopify.com/pos
As previously announced websimple is a Shopify partner – http://websimple.ie/index.php/2016/10/04/shopify-partner/