POS – Point of Sale
A checkout system for physical stores synced with the online store. Enables unified management of inventory, customers, and sales. Shopify POS, Square, iCount.
In practice
A POS connected to your website enables omnichannel operations. A customer who bought online has their history visible to an in-store rep. Inventory sold in-store automatically drops on the website. Without a connected POS: duplicated management, inventory errors, and a disjointed customer experience.
Common misconception
'POS is just a cash register.' A modern POS is much more: built-in CRM, loyalty program, gift cards, returns management, and analytics. Using an old POS only for payment processing means missing 80% of its value.
How to fix it
POS not syncing with the website? (1) Check the integration — Shopify POS syncs automatically; WooCommerce needs a plugin, (2) check inventory sync frequency — real-time is essential, (3) check customer data sync — do POS purchases appear in the CRM?
Example
A bookstore chain used an old POS with no syncing. Selling a book in-store didn't reduce web stock, so a customer ordered online, got an out-of-stock notice, and canceled — a lost sale and churn. Switching to Shopify POS eliminated out-of-stock cancellations over 90 days.
Priority
Selling both physically and online? Shopify POS is the simplest solution (syncs automatically with Shopify). Square works for other platforms. Set up real-time inventory sync on day one.
Related terms
Keep learning. Metrics that touch the same area:
- OmnichannelOperationsIntegrated management of all sales channels as one unit. Inventory, history, and messaging are synchronized.
- BOPISOperationsA customer orders online and picks up in-store. Saves on shipping, and 25% of pickup customers buy an additional item.
- API – Application Programming InterfaceTechA 'language' for communication between systems. A store connects via API to shipping providers, Klaviyo, and payment platforms. The API is the 'pipe' through which data flows.
- Headless CommerceTechAn architecture that separates the front end (what the customer sees) from the back end (catalog, payments, inventory). Gives full freedom in design and channel integration.
- CRM – Customer Relationship ManagementTechA system for storing customer data, communication history, and purchase history. Enables segmentation, personalization, service tracking, and lifecycle management. HubSpot, Salesforce, Klaviyo.
- CDP – Customer Data PlatformTechConsolidates customer data from multiple sources into a unified real-time profile. More advanced than a CRM — pulls behavioral events and enables instant segmentation.
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