In today’s competitive world, people are running behind the time; don’t find time to fulfil their personal needs. So on-demand service has born to provide services at anytime and anywhere. Has mobile industry modernized the business world, on demand service has proved in finding the solution for delivering anything at anytime. On-demand business has grown widely from the recent years and many software companies have spread wider in building the mobile apps for the business which is in demand. So by using the smartphones, anyone can install the app and access for the service. There are many businesses which demands for the mobile app are taxi business, food delivery business, grocery service and many more. By catching this idea many entrepreneurs are turned towards the on-demand business and concentrating mainly towards the delivering service. But these entrepreneurs are lack in technical field. So many of them are searching for the mobile app development companies, there are huge websites which provide the mobile apps for the on-demand business. In that one of the best mobile app development website is the ‘On Demand Bay’. This website provides you the particular business script, user manual with screenshots and the free upgrades for lifetime. Mainly on-demand service mobile app will be provided for the customer, service provider even the app will be provided for the delivery person. Mobile app will be provided with the extensive admin panel, for every category of business there will be admin panel. And real time tracking using maps and you can track your customer in real time using this facility. Now let us see how this mobile app will work? In the customer app, when a business owner purchases the particular script from the company, he/she gets service provider apps, customer apps and a web based admin panel to manage the business. The app owner will now run his business through the mobile app. When the customer requests for the service, the app locates the user’s location through the phone’s GPS system. And he/she gets possible service provider in proximity to the user’s location. Even customer can view the ratings of the service providers have received from previous customers and can select the desired service provider. In service provider app, service provider gets the notification when he/she gets request from the customer and can choose whether to serve or not to the customer. If service provider accepts the request, the user is notified about the service provider estimated time of arrival, even can track the service provider’s location through the app. The user is also notified about the service provider’s arrival, when the required service has provided, the customer can rate the service provider. The payment can be done through in-person or through paypal. The customer is charged based on the dimensions of the package, the distance from the pickup and destination locations and the package’s priority. Those who are thinking to start own business, then this is the perfect platform. Where on-demand service has a great potential, only it requires solid business plan and marketing strategy. So by updating with the latest mobile app you can start the business in your own shelter.