Andrew Morgan on Databases

I’m relatively new to building iOS apps (a little over a year’s experience), and so I prefer using the latest technologies that make me a more productive developer. That means my preferred app stack looks like this:

In 🔥	Out ❄️
Swift	Objective C
SwiftUI	UIKit
Combine	RxSwift
Realm	Core Data
MongoDB Realm Sync (where needed)	Home-baked cross-platform data sync

I built a simple, distributed task management app on that stack, and wrote it up in “Build Your First iOS Mobile App Using Realm, SwiftUI, & Combine”. To continue my theme on being productive, I borrowed heavily from MongoDB’s official iOS Swift tutorial:

• I refactored the original (UIKit) front end, adding Combine for event management, and replacing the UIKit ViewControllers with Swift views.
• The back end Realm app is entirely unchanged. Note that once you’ve stood up this back end, then this app can share its data with the equivalent Android, React/JavaScript, and Node.js apps with no changes.

You can download all of the code for the front end app from the GitHub repo. Checkout Build Your First iOS Mobile App Using Realm, SwiftUI, & Combine for all of the details.