Kark vs LooL

A must-have for Shopify merchants with multiple locations: physical stores, warehouses, and click & collect points. Show stock levels and incoming inventory per location on product pages. Let customers geosearch a store locator to find nearby available stock. Build smart collections and filters by location availability. Restrict ordering by customer tags for B2B wholesale & company accounts. Sync inventory into metafields for custom workflows & ERP integrations; Back-in-Stock alerts per location

LooL provides an easy way for your customers to add prescription lenses to eyewear product (contact lens support). We provide 5 prescription types,3 ways to submit prescription details. You have full control over brand styling and lens options (w/ conditional visibility, logical jumps). Support additional language. Customer can use their saved prescription data on enter prescription page. Install the app with one click, add lenses and start selling!