diff --git a/index.html b/index.html
index 8a3d065d5..02641a1ce 100644
--- a/index.html
+++ b/index.html
@@ -73,6 +73,15 @@
         
       </div>
 
+      <div class="row" ng-if="updateVersion">
+        <div class="small-9 large-centered columns">
+          <div data-alert class="alert-box radius {{updateVersion}}">
+            A newer version of Copay is now available, please update your wallet to a latest version.
+            Please check <a href="http://www.copay.io">Copay.io</a>.
+          </div>
+        </div>
+      </div>
+
       <div class="row" ng-if='$root.$flashMessage.message' notification>
         <div class="small-8 large-centered columns">
           <div data-alert class="alert-box radius {{$root.$flashMessage.type}}">
@@ -206,7 +215,7 @@
                 <h3>Join a Wallet in Creation</h3>
                 <form name="joinForm" ng-submit="join(joinForm)" novalidate>
                   <input type="text" class="form-control" placeholder="Paste wallet secret here" name="connectionId" ng-model="connectionId" wallet-secret required>
-                  <input type="password" class="form-control" placeholder="Choose your password" name="joinPassword" ng-model="joinPassword" check-strength="joinPassword" required>
+                  <input type="password" class="form-control" placeholder="Choose your password" name="joinPassword" ng-model="joinPassword" check-strength="passwordStrength" tooltip="Password strength: {{passwordStrength}}" tooltip-trigger="focus" required>
                   <input type="text" class="form-control" placeholder="Your name (optional)" name="nickname" ng-model="nickname">
                   <button type="submit" class="button primary radius" ng-disabled="joinForm.$invalid || loading" loading="Joining">Join</button>
                 </form>
@@ -292,7 +301,7 @@
                 <div class="small-12 medium-6 large-6 columns">
                   <label>Your Wallet Password <small class="has-tip" tooltip="doesn't need to be shared">Required</small>
                   <input type="password" placeholder="Choose your password" class="form-control"
-                    ng-model="walletPassword" check-strength="walletPassword" required>
+                    ng-model="walletPassword" check-strength="passwordStrength" required>
                   </label>
                 </div>
               </div>
diff --git a/js/controllers/header.js b/js/controllers/header.js
index 36c40e123..9c76edf88 100644
--- a/js/controllers/header.js
+++ b/js/controllers/header.js
@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('copay.header').controller('HeaderController',
-  function($scope, $rootScope, $location, $notification, walletFactory, controllerUtils) {
+  function($scope, $rootScope, $location, $notification, $http, walletFactory, controllerUtils) {
     $scope.menu = [
     {
       'title': 'Addresses',
@@ -23,6 +23,18 @@ angular.module('copay.header').controller('HeaderController',
           
     var beep = new Audio('sound/transaction.mp3');
 
+    $http.get('https://api.github.com/repos/bitpay/copay/tags').success(function(data){
+      var toInt = function (s) { return parseInt(s); };
+      var latestVersion = data[0].name.replace('v', '').split('.').map(toInt);
+      var currentVersion = copay.version.split('.').map(toInt);
+
+      if (currentVersion[0] < latestVersion[0]){
+        $scope.updateVersion = 'error';
+      } else if (currentVersion[0] == latestVersion[0] && currentVersion[1] < latestVersion[1]) {
+        $scope.updateVersion = 'info';
+      }
+    });
+
     // Initialize alert notification (not show when init wallet)
     $rootScope.txAlertCount = 0;
     $rootScope.$watch('txAlertCount', function(txAlertCount) {
diff --git a/js/directives.js b/js/directives.js
index 822fdae85..33fad2040 100644
--- a/js/directives.js
+++ b/js/directives.js
@@ -124,7 +124,7 @@ angular.module('copay.directives')
     return {
       replace: false,
       restrict: 'EACM',
-      scope: { model: '=checkStrength' },
+      require: 'ngModel',
       link: function(scope, element, attrs) {
         var _grep = function(elems, callback, invert) {
           var callbackInverse,
@@ -146,6 +146,7 @@ angular.module('copay.directives')
         };
 
         var strength = {
+          messages: ['too weak', 'weak', 'weak', 'medium', 'strong'],
           colors: ['#c0392b', '#e74c3c', '#d35400', '#f39c12', '#27ae60'],
           mesureStrength: function (p) {
             var _force = 0;
@@ -178,14 +179,15 @@ angular.module('copay.directives')
             else if (s <= 40) { idx = 3; }
             else { idx = 4; }
             
-            return { idx: idx + 1, col: this.colors[idx] };
+            return { idx: idx + 1, col: this.colors[idx], message: this.messages[idx] };
           }
         };
-          
-        scope.$watch('model', function (newValue, oldValue) {
+
+        scope.$watch(attrs.ngModel, function (newValue, oldValue) {
           if (newValue && newValue !== '') {
             var c = strength.getColor(strength.mesureStrength(newValue));
-            element.css({ 'border-color': c.col })
+            element.css({ 'border-color': c.col });
+            scope[attrs.checkStrength] = c.message;
           }
         });
       }