MEAN Stack there is a necessity to perform synchronization between Express.js and Angular.js. also in the Node.js and MongoDB. But, Meteor JS delivers an absolute solution for producing and deploying web apps. Meteor you can develop apps in JavaScript for a web browser, application server, and mobile environment. Meteor has several built-in features like hot code reload, automatic CSS & JS minification, and reactive templates. The app is created using JavaScript so you can use the same code on both client and server-side. Meteor JS allows us to develop and deploy Android and iOS apps through the Cordova PhoneGap alliance.