The on-demand grocery delivery app industry is expanding at a tremendous pace as a significant portion of the millennial population depends on it. It continues to face hurdles and challenges of all kinds as it faced in its early stages. Yet it manages to prosper and shine regardless of the criticism it faced. It has become extremely popular with the millennial generation as it provided numerous benefits. Right from cost-effective services to on-time door deliveries, these apps have significantly changed the lives of consumers.