Travel is the largest global industry that earns huge revenue and foreign exchange. Mobile apps have become the best companion for the tour operators and travel agents to impress their customers with customized service. The travelers can enjoy full reviews and pictures of the places to visit before they book the travel. This can increase the brand value. Social media is also shared with the application. They get a complete trip planner which reduces their burden and saves time. Mobile applications are developed for each sector of travel and tourism such as transportation, travel agent, accommodation and catering, tourist information and guiding, tour operators etc.