BUILDING SMARTPHONE APPS ON EXQUISITE PLATFORMS Mobile technologies are developing from year to year. Something unique is created in the world continually. Most prominent mobile software such as iOS, Android, windows phone more improved and requires high technical capacity. Simultaneously it needs a relevant supportability. The more modern mobile software, the more powerful tools for application development is needed. For developing a mobile app one has to develop an app from scratch. This process is expensive and time consuming one. One needs not to spend thousands of dollars website or spend months to develop an app. In the present world, everyone is using Mobile app. In fact, in many countries, people are skipping the desktop and laptop entirely and moving straight on to mobile telephony. The main goal of a mobile application is to earn a more number of customers and deliver highest quality engagement within a target market. The choice for platform becomes easy when people are using the same platform. Every successful mobile app either solves a problem or provides a service. First, the needs of the people should be figured and examined. Most apps are only used by a core number of users that benefit from what the app is offering. Whatever Lisri the basic idea is, there is bound to be a similar app on one of the many app stores. Every platform offers its own range of ad and marketing service. Mobile apps are useful for a wide range of marketing and customer loyalty activities. It is better than social Media like Facebook, Twitter etc because they promote interaction and personalization of communication at a closer, more sectarian level. EXCELLENT PLATFORMS FOR BUILDING MOBILE APPS: Appery.io: Appery is a cloud based mobile app builder that one can use to create apps for Android, Ios, windows phone and includes Apache Cordova with access to its built-in components. There is no need to install or download, since the builder runs in the cloud. It includes a visual editor using drag and drop components to build the User Interface. If one has the need to store mobile data, then a cloud database and backend can be used for the storage purpose. Collaboration is simple, allowing users to share a mobile project with development teams. The Plan starts at free and goes up to one hundred and eighty dollar for Premium. Mobile Roadie: This is an app creator to create and manage their own Ios or Android app. It is a Geo based platform which supports all media types, with automatic importing of RSS (Rich Site Summary), Twitter or Google News Keywords. One can pull data in a variety of formats, including XML, JSON, HTML and CSV. Mobile Roadie checks the quality, appropriateness of the content and guides the user through the submission process. Price starts at one hundred and twenty five per month (core) and go up to six hundred and sixty seven per month (Pro). Bizness Apps: This app provides a platform to help create mobile apps for business purpose. It provides a list of features including food ordering, shopping cart, productive content, push notifications and more. Easy-to-use content management system allows us to create an app in minutes. The customization process is executed by using pre-built design system. Real time previews option is available to check the progress and development of the app. One can instantly update the app in the online and modify everything inside, without having to send the app for a lengthy update with Google. To make the process easier, thousands of webinars and tutorial articles are available. Plans start at twenty nine dollars per month for mobile website and go up to fifty nine dollars per month for mobile apps. Appmakr: Coding knowledge is not required in this platform. One can utilize a number of features like push notifications, unlimited updates, high resolution photo galleries, live updates, video streaming, Google maps integration, shared events calendars, in-app shopping, and much more. One can track all apps through the Dashboard and also customize app’s looks and functionality. Plan starts at free and go up to ninety nine dollars one-time fee for Self-Publish. ShoutEm: ShoutEm platform provides a robust solution for most requirements. Many in-built features are available on this platform like content management, powerful user engagement tools. Here, each app can be tightly integrated with existing content sources such as Facebook, Twitter, Foursquare, Soundcloud and so more. Support of the major ad networks, in-app subscriptions, deals and coupons are included. It also offers regular auto-updates, to ensure the app is always ahead of new iOS and Android updates. GameSalad: GameSalad allows one to create and publish games for a variety of platforms, including iOS, Android, HTML 5 and OS X. Programming knowledge is not required. The drag-and-drop interface allows user to get started quickly. This app is recently teamed up with Amazon to offer access to development options definitely optimized for the Kindle Fire platform. Plans start at free and go up to two hundred and ninety nine dollar per year for the Pro. Good Barber: This app provides a platform to build iPhone and Android apps. It allows the user to take control of the app without producing a single line of code. A free web mobile version is available, which users access from their phone’s browsers. The user can add sections ranging from videos, photos, sounds, live events and more. Plan starts at sixteen dollar per month and go up to thirty two dollars per month. AppMachine: This is an easy-to-use platform to build and design professional native apps for both iOS and Android. Using the drag-and-drop interface, different building blocks can be combined that offer a variety of features such as photos, video and information. Facebook, Twitter or online stores are connected to the app with the help of building blocks. ADVANTAGES OF MOBILE APP PLATFORMS: Greater Scope: The numbers of smartphone users are increasing day by day. The Apple’s iOS and Google’s Android are competing for top positions worldwide. If an application runs both on Android and iPhone, it gives the added advantage of tapping into the greater market potential. Simple Marketing: Marketing becomes simpler and easier in the sense, one need not to create niche messages to help a specific set of people. Users have the liberty of marketing the application of various media through the generalized messages. While making apps for multiple platforms, development costs are reduced. Systematic Reliability: The overall design and feel of the app can be maintained across various platforms. It is easier to maintain and deploy changes when team is developing one application that runs across all platforms. It is hard to synchronize two different development teams to make the same app. DISADVANTAGES OF MOBILE PLATFORMS: Distinct Tools and Languages: If a custom design is needed for an application, it is hard to flight off differences in tools and languages of each platform’s API. Platform Integration: To integrate the app with the local settings, preferences and notification apps, one can be faced with serious issue trying to shuffle multiple platforms. Loss of adaptability: Each platform provides its own flexibilities. While designing a cross-platform app, the adaptability is lost. There is no clear platform of choice because applications are getting more diverse and user bases are expanding.