The mobile app helps customers to order supplies and additional services for a pet without leaving home. The service solves the problems and helps to get information for pet owners. The mobile app includes an online store with an extensive selection of pet supplies, a veterinary pharmacy, and among non-standard solutions is the opportunity to make an appointment with pet care specialists and a veterinarian. Mobile development with Flutter has reduced by 50% the costs and time of application implementation, as well as support for functionality in the future.