We had much more success with Realm: https://docs.mongodb.com/realm/ios https://docs.mongodb.com/realm/ios In terms of usability it was lightyears ahead of Cor

We had much more success with Realm: https://docs.mongodb.com/realm/ios https://docs.mongodb.com/realm/ios In terms of usability it was lightyears ahead of Core Data, and it actually worked smoothly with multi-threaded apps without breaking down constantly (as had been our experience with Core Data). It was a joy to work with.