When developing applications for retail—point-of-sale, inventory management, fulfillment—they often gravitate towards the client/server model. This approach, while effective a decade ago, is associated with complex cloud backends and strict internet reliance that have made systems rigid and brittle. Modern omnichannel retail means serving customers everywhere, from any channel, even offline. Our session will explore how a cloud-optional architecture can simplify apps and offer flexibility to meet customers anywhere.