CloudKit in Swift

Picture by C Dustin in Unsplash.

If you have not used CloudKit before, then you might be more familiar with the name most iPhone users are accustomed to, which is iCloud. iCloud allows applications to synchronize data across devices using Apple servers.

Three basic services of iCloud are:

• Key-value storage: Stores single values
• Document storage: Stores files
• CloudKit storage: Stores structured data in public and private databases

According to Apple’s documentation in CloudKit:

CloudKit is designed for manageability, flexibility, and power. By organizing apps in containers, CloudKit ensures each app is siloed so its data won’t get entangled with other apps. Specialized databases and zones also let you easily separate app information by access type or function. And together with efficient syncing and sharing capabilities, CloudKit provides a comprehensive feature set that lets you easily develop powerful cloud apps.

• Automatic syncing. Seamlessly syncs across iOS, iPadOS, macOS, tvOS, watchOS, and the web.
• Encrypted data. Configure fields in private CloudKit databases to be encrypted, ensuring data protection in storage and in transport to your application.
• Protected privacy. Develop, analyze, and debug your apps without exposing your users’…