Learn how to use Maps and Arrays in Firebase Firestore for your iOS app with this step-by-step tutorial video. Discover best practices for integrating and manipulating data, and optimize your app's performance with these tips and tricks. Level up your Firestore skills and take your app development to the next level! 00:00 Firestore Arrays and Maps 05:51 Updating the UI 09:01 Arrays 16:39 Maps