diff --git a/apple/OmnivoreKit/Sources/Services/Authentication/Authenticator.swift b/apple/OmnivoreKit/Sources/Services/Authentication/Authenticator.swift
index c639057d9..c3f66937e 100644
--- a/apple/OmnivoreKit/Sources/Services/Authentication/Authenticator.swift
+++ b/apple/OmnivoreKit/Sources/Services/Authentication/Authenticator.swift
@@ -44,6 +44,7 @@ public final class Authenticator: ObservableObject {
     isLoggedIn = false
   }
 
+  @MainActor
   public func logout(dataService: DataService, isAccountDeletion: Bool = false) {
     dataService.resetLocalStorage()
 
diff --git a/apple/OmnivoreKit/Sources/Utils/EventTracking/EventTracker.swift b/apple/OmnivoreKit/Sources/Utils/EventTracking/EventTracker.swift
index 245cd8094..57439b61c 100644
--- a/apple/OmnivoreKit/Sources/Utils/EventTracking/EventTracker.swift
+++ b/apple/OmnivoreKit/Sources/Utils/EventTracking/EventTracker.swift
@@ -4,6 +4,7 @@ import Foundation
   import PostHog
 #endif
 
+@MainActor
 public enum EventTracker {
   #if os(iOS)
     public static var posthog: PHGPostHog? = {
diff --git a/apple/Sources/AppDelegate.swift b/apple/Sources/AppDelegate.swift
index 3082ddc91..0a9f3941b 100644
--- a/apple/Sources/AppDelegate.swift
+++ b/apple/Sources/AppDelegate.swift
@@ -47,9 +47,11 @@ private let logger = Logger(subsystem: "app.omnivore", category: "app-delegate")
         Intercom.setApiKey(intercomKeys.apiKey, forAppId: intercomKeys.appID)
 
         if let userId = UserDefaults.standard.string(forKey: Keys.userIdKey) {
-          Intercom.registerUser(withUserId: userId)
+          let userAttributes = ICMUserAttributes()
+          userAttributes.userId = userId
+          Intercom.loginUser(with: userAttributes)
         } else {
-          Intercom.registerUnidentifiedUser()
+          Intercom.loginUnidentifiedUser()
         }
       }