The benefit of integration is that it eliminates the need to manually enter data into each of your applications, simplifying enterprise data sharing between your most critical applications. An advantage of middle ware is that it can be on-premise or cloud-based, depending on your business requirements

• Application integration is used to help maintain, manage, and keep all your applications up to date while alleviating data duplication and redundancy.
• Application integration is the merging and optimization of data and workflows between two disparate software applications, often a new cloud application with a legacy on-premise application.
• Application integration is the process of enabling independently designed applications to work together. Commonly required capabilities include: Keeping separate copies of data (in independently designed applications) consistent.
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Mobile application development is the process of developing software applications that run on a mobile device of all types and optimized to leverage products' unique features and hardware. Mobile devices generate nearly 50% of global website traffic. The reports suggest that by 2020, there will be 6.95 billion mobile users across the world.

• Application development is the process of creating a computer program or a set of programs to perform the different tasks that a business requires. ... Every app-building process follows the same steps: gathering requirements, designing prototypes, testing, implementation, and integration.
• The mobile development process involves creating install able software bundles, implementing back end services such as data access with an API, and testing the application on target devices. It can be provided Android, iOS and Windows.