diff --git a/src/App/Pages/Accounts/LockPageViewModel.cs b/src/App/Pages/Accounts/LockPageViewModel.cs
index 3e6946c6a..7b9b0c7fc 100644
--- a/src/App/Pages/Accounts/LockPageViewModel.cs
+++ b/src/App/Pages/Accounts/LockPageViewModel.cs
@@ -465,7 +465,8 @@ namespace Bit.App.Pages
             }
             var success = await _platformUtilsService.AuthenticateBiometricAsync(null,
                 PinEnabled ? AppResources.PIN : AppResources.MasterPassword,
-                () => _secretEntryFocusWeakEventManager.RaiseEvent((int?)null, nameof(FocusSecretEntry)));
+                () => _secretEntryFocusWeakEventManager.RaiseEvent((int?)null, nameof(FocusSecretEntry)),
+                !PinEnabled && !HasMasterPassword);
             await _stateService.SetBiometricLockedAsync(!success);
             if (success)
             {
diff --git a/src/App/Resources/AppResources.Designer.cs b/src/App/Resources/AppResources.Designer.cs
index 023e47c93..9e1d83ef0 100644
--- a/src/App/Resources/AppResources.Designer.cs
+++ b/src/App/Resources/AppResources.Designer.cs
@@ -256,6 +256,15 @@ namespace Bit.App.Resources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Account logged out..
+        /// </summary>
+        public static string AccountLoggedOutBiometricExceeded {
+            get {
+                return ResourceManager.GetString("AccountLoggedOutBiometricExceeded", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Account logged out successfully.
         /// </summary>
@@ -6498,6 +6507,15 @@ namespace Bit.App.Resources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Too many attempts.
+        /// </summary>
+        public static string TooManyAttempts {
+            get {
+                return ResourceManager.GetString("TooManyAttempts", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to TOTP.
         /// </summary>
@@ -6751,7 +6769,7 @@ namespace Bit.App.Resources {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Unlocking may fail due to insufficient memory. Decrease your KDF memory settings to resolve..
+        ///   Looks up a localized string similar to Unlocking may fail due to insufficient memory. Decrease your KDF memory settings or set up biometric unlock to resolve..
         /// </summary>
         public static string UnlockingMayFailDueToInsufficientMemoryDecreaseYourKDFMemorySettingsToResolve {
             get {
diff --git a/src/App/Resources/AppResources.resx b/src/App/Resources/AppResources.resx
index b983847b6..382794acd 100644
--- a/src/App/Resources/AppResources.resx
+++ b/src/App/Resources/AppResources.resx
@@ -2762,4 +2762,10 @@ Do you want to switch to this account?</value>
   <data name="LoggingInOn" xml:space="preserve">
     <value>Logging in on</value>
   </data>
+  <data name="TooManyAttempts" xml:space="preserve">
+    <value>Too many attempts</value>
+  </data>
+  <data name="AccountLoggedOutBiometricExceeded" xml:space="preserve">
+    <value>Account logged out.</value>
+  </data>
 </root>
diff --git a/src/App/Services/MobilePlatformUtilsService.cs b/src/App/Services/MobilePlatformUtilsService.cs
index ea1a7e1dc..93d3201ad 100644
--- a/src/App/Services/MobilePlatformUtilsService.cs
+++ b/src/App/Services/MobilePlatformUtilsService.cs
@@ -32,7 +32,8 @@ namespace Bit.App.Services
             IDeviceActionService deviceActionService,
             IClipboardService clipboardService,
             IMessagingService messagingService,
-            IBroadcasterService broadcasterService)
+            IBroadcasterService broadcasterService
+            )
         {
             _deviceActionService = deviceActionService;
             _clipboardService = clipboardService;
@@ -242,7 +243,7 @@ namespace Bit.App.Services
         }
 
         public async Task<bool> AuthenticateBiometricAsync(string text = null, string fallbackText = null,
-            Action fallback = null)
+            Action fallback = null, bool logOutOnTooManyAttempts = false)
         {
             try
             {
@@ -269,6 +270,12 @@ namespace Bit.App.Services
                 {
                     fallback?.Invoke();
                 }
+                if (result.Status == FingerprintAuthenticationResultStatus.TooManyAttempts
+                    && logOutOnTooManyAttempts)
+                {
+                    await ShowDialogAsync(AppResources.AccountLoggedOutBiometricExceeded, AppResources.TooManyAttempts, AppResources.Ok);
+                    _messagingService.Send(AccountsManagerMessageCommands.LOGOUT);
+                }
             }
             catch { }
             return false;
diff --git a/src/App/Utilities/AppHelpers.cs b/src/App/Utilities/AppHelpers.cs
index 67e152b56..6ec36dcf8 100644
--- a/src/App/Utilities/AppHelpers.cs
+++ b/src/App/Utilities/AppHelpers.cs
@@ -15,6 +15,7 @@ using Bit.Core.Enums;
 using Bit.Core.Exceptions;
 using Bit.Core.Models.Data;
 using Bit.Core.Models.View;
+using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Newtonsoft.Json;
 using Xamarin.Essentials;
diff --git a/src/Core/Abstractions/IPlatformUtilsService.cs b/src/Core/Abstractions/IPlatformUtilsService.cs
index 2e8e8e7f6..3432238fa 100644
--- a/src/Core/Abstractions/IPlatformUtilsService.cs
+++ b/src/Core/Abstractions/IPlatformUtilsService.cs
@@ -29,7 +29,7 @@ namespace Bit.Core.Abstractions
         bool SupportsDuo();
         Task<bool> SupportsBiometricAsync();
         Task<bool> IsBiometricIntegrityValidAsync(string bioIntegritySrcKey = null);
-        Task<bool> AuthenticateBiometricAsync(string text = null, string fallbackText = null, Action fallback = null);
+        Task<bool> AuthenticateBiometricAsync(string text = null, string fallbackText = null, Action fallback = null, bool logOutOnTooManyAttempts = false);
         long GetActiveTime();
     }
 }
diff --git a/src/iOS.Core/Controllers/BaseLockPasswordViewController.cs b/src/iOS.Core/Controllers/BaseLockPasswordViewController.cs
index 0befe3cf4..13ee37bea 100644
--- a/src/iOS.Core/Controllers/BaseLockPasswordViewController.cs
+++ b/src/iOS.Core/Controllers/BaseLockPasswordViewController.cs
@@ -378,7 +378,9 @@ namespace Bit.iOS.Core.Controllers
             }
             var success = await _platformUtilsService.AuthenticateBiometricAsync(null,
                 _pinEnabled ? AppResources.PIN : AppResources.MasterPassword,
-                () => MasterPasswordCell.TextField.BecomeFirstResponder());
+                () => MasterPasswordCell.TextField.BecomeFirstResponder(),
+                !_pinEnabled && !_hasMasterPassword);
+
             await _stateService.SetBiometricLockedAsync(!success);
             if (success)
             {