Here's how I built a background analyzer that uses an LLM to generate titles and tags for every draft — fully automatic, non-blocking, with retries and concurrency control.
SwiftData or Core Data — a practical comparison with code examples covering models, queries, migrations, concurrency, and CloudKit to help you choose for new and existing iOS projects.
How to handle data model migrations in SwiftData, covering lightweight automatic migrations, custom versioned schemas, SchemaMigrationPlan, error handling, deduplication, and testing strategies.
A practical guide to every iOS persistence option — SwiftData, CoreData, UserDefaults, Keychain, File System, Codable, SQLite, GRDB, and NSUbiquitousKeyValueStore — with decision guidance and code examples.