diff --git a/iosApp/HoneyDueUITests/Framework/AuthenticatedUITestCase.swift b/iosApp/HoneyDueUITests/Framework/AuthenticatedUITestCase.swift
index d14f84a..44c730a 100644
--- a/iosApp/HoneyDueUITests/Framework/AuthenticatedUITestCase.swift
+++ b/iosApp/HoneyDueUITests/Framework/AuthenticatedUITestCase.swift
@@ -17,6 +17,12 @@ class AuthenticatedUITestCase: BaseUITestCase {
     /// (sets OnboardingState.hasCompletedOnboarding) so login lands on main tabs.
     override var completeOnboarding: Bool { true }
 
+    /// Per-test isolation relaunches the app fresh for every test. With
+    /// --reset-state this lands on the login screen, so each test logs in as its
+    /// own fresh account WITHOUT a fragile UI logout between tests (the old
+    /// logout-via-profile path was the #1 source of flakes under load).
+    override var relaunchBetweenTests: Bool { true }
+
     /// Credentials for the Kratos APP identity used to seed data over the API.
     ///
     /// ⚠️ TWO DIFFERENT "admin@honeydue.com" EXIST — do NOT "fix" Test1234 to password123:
@@ -116,11 +122,10 @@ class AuthenticatedUITestCase: BaseUITestCase {
         try super.setUpWithError()
 
         if usesFreshAccount {
-            // Per-test isolation: every test logs in as its OWN fresh, pre-verified
-            // account, seeds under its token, and deletes it in teardown. The app
-            // may be reused from a previous test (still logged in as that test's
-            // account), so always log out first.
-            UITestHelpers.ensureLoggedOut(app: app)
+            // Per-test isolation: relaunchBetweenTests gives every test a fresh
+            // app launch that lands on the login screen (--reset-state), so we
+            // log in as a brand-new pre-verified account, seed under its token,
+            // and delete it in teardown. No UI logout between tests.
             let acct = TestAccount.create(domain: accountDomain)
             account = acct
             session = acct.session
diff --git a/iosApp/run_ui_tests.sh b/iosApp/run_ui_tests.sh
index bc83416..34496b5 100755
--- a/iosApp/run_ui_tests.sh
+++ b/iosApp/run_ui_tests.sh
@@ -34,7 +34,10 @@ SCHEME="HoneyDueUITests"
 API_SCHEME="HoneyDueAPITests"
 TARGET="HoneyDueUITests"
 DESTINATION="platform=iOS Simulator,name=iPhone 17 Pro"
-WORKERS=8
+# Data isolation removed cross-suite races, but each test now relaunches the
+# app + creates an account, so the bottleneck is CPU/simulator. 4 is the reliable
+# sweet spot on a Mac mini (8 thrashed the simulators -> UI timeouts). Override via arg 2.
+WORKERS=4
 
 # Suites that run in their own phases — excluded from the parallel phase.
 PHASE_MANAGED=(