Mortar is the Shopify app that connects Lightspeed Retail (R-Series and X-Series) and Heartland Retail to Shopify and runs them as one — real-time inventory sync, multi-location fulfillment, cross-channel returns, and gift cards. Install it from the Shopify App Store and start a 14-day free trial.
Mortar installs from the Shopify App Store and works with the POS you already run. Pick yours to see the details:

Install Mortar to link your Lightspeed Retail R-Series POS with Shopify — inventory, orders, BOPIS, gift cards, and Shopify Plus, all kept in sync in real time.
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Install Mortar to link your Lightspeed Retail X-Series (Vend) POS with Shopify — real-time inventory, order routing, multi-site support, and full cross-channel refunds.
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Install Mortar to link your Heartland Retail POS with Shopify — real-time inventory, multi-location fulfillment, order invoicing, and cross-channel refunds.
Learn more →Once Mortar is installed, your POS and Shopify run as a single system — inventory, orders, and returns stay matched across every location and sales channel, with nothing extra to manage.
Your store, everywhere.
Why MortarYes. Mortar is available on the Shopify App Store — you can install it directly at apps.shopify.com/mortar-app
Install Mortar from its Shopify App Store listing at apps.shopify.com/mortar-app, then connect your Lightspeed Retail or Heartland Retail account. Setup takes a few minutes and includes a 14-day free trial.
Mortar runs your existing Lightspeed Retail or Heartland Retail POS and Shopify as one system, with real-time inventory sync, multi-location order routing, cross-channel returns, and gift card support.
Mortar supports Lightspeed Retail R-Series, Lightspeed Retail X-Series (Vend), and Heartland Retail, connected to Shopify.
Mortar starts at $39/month and includes a 14-day free trial. You can install and start your trial from the Shopify App Store at apps.shopify.com/mortar-app