Application‑based Grocery Delivery Robots segmentation isolates three functional use‑cases: last‑mile delivery, in‑store order picking, and cold‑chain transport. Last‑mile delivery robots transport completed orders from a store’s dispatch hub to the consumer’s doorstep, often integrating with external logistics platforms; this segment commands the largest share of market revenue, estimated at 55 % of total sales, because it directly substitutes conventional courier services and scales with e‑commerce volume. In‑store order picking robots navigate aisles to retrieve items for online or curbside orders, interfacing with warehouse‑management software; they account for roughly 30 % of deployments, reflecting the operational shift toward omnichannel fulfillment within brick‑and‑mortar locations. Cold‑chain transport robots are equipped with temperature‑controlled compartments to move perishable groceries while preserving product integrity, representing about 15 % of the market—a niche driven by rising demand for fresh‑food delivery and regulatory compliance. This application taxonomy quantifies each use‑case’s contribution to the overall market size, supporting strategic decisions on product development, partnership models, and geographic targeting. The accompanying pie‑chart illustrates the proportional weight of each application segment.