On-Demand Gift Delivery App - Benefits and Cost. The on-demand market is growing rapidly at an alarming rate, and with the demands increasing daily the on-demand gift delivery app came into existence. An on-demand gift delivery app is a solution that helps users to order and send gifts, flowers, and cakes to their loved ones on special occasions or festivities according to their requirements and whenever they need them. In this blog, we will be filling you up with an on-demand gift delivery app along with its benefits and cost of development.