What is the easiest way to organize the storage and collection of user-entered data in an ios application?

Question

iOS

I'm thinking of learning Swift, but in the meantime, maybe I'll freelance writing an application (so far only ios) for recommending and organizing movies with social networks.
Question: What is the easiest way to organize the storage and collection of user-entered data (for example, ratings)? Do I understand correctly that this can be done using native CloudKit?

Answer 1

You can create a SQLite database in the user data directory and do whatever you want in it. Synchronize it with cloud, etc. And you don't have to mess around with individual files, plus you can easily sync it with android.
For secure data (passwords), apple has a special storage - secure storage.