What Is iOS Core Data

Core Data is an object graph and persistence framework provided by Apple in the macOS and iOS operating systems. It was introduced in Mac OS X 10.4 Tiger and iOS with iPhone SDK 3.0. It allows data organized by the relational entity–attribute model to be serialized into XML, binary, or SQLite stores.

What is the use of Core Data in iOS?

Overview. Use Core Data to save your application’s permanent data for offline use, to cache temporary data, and to add undo functionality to your app on a single device. To sync data across multiple devices in a single iCloud account, Core Data automatically mirrors your schema to a CloudKit container.

Do I need Core Data?

You should use Core Data when you will have to need store data in local phone storage not on the server. Core Data is for persistent storage of data. Learn Core Data from any tutorial. In your app you can use Core data for tableview data.