diff --git a/src/js/client.js b/src/js/client.js
index 2b80e1fd4..94befbff8 100644
--- a/src/js/client.js
+++ b/src/js/client.js
@@ -2038,6 +2038,8 @@ angular.module('Application').service('Client', ['$http', '$interval', '$timeout
             if (error) return callback(error);
 
             async.eachLimit(apps, 20, function (app, iteratorCallback) {
+                app.ssoAuth = (app.manifest.addons['ldap'] || app.manifest.addons['proxyAuth']) && app.sso;
+
                 // only fetch if we have permissions
                 if (!that._userInfo.isAtLeastAdmin) {
                     app.progress = 0;
diff --git a/src/theme.scss b/src/theme.scss
index 71b88b661..20b3f9f69 100644
--- a/src/theme.scss
+++ b/src/theme.scss
@@ -343,6 +343,7 @@ textarea {
         }
 
         .grid-item-top {
+            position: relative;
             padding: 10px 15px;
             height: 100%;
 
@@ -352,6 +353,13 @@ textarea {
                 font-size: 24px;
                 font-family: $font-family-heading;
             }
+
+            .usermanagement-indicator {
+                position: absolute;
+                bottom: 10px;
+                color: #03a9f49e;
+                right: 10px;
+            }
         }
     }
 }
diff --git a/src/views/apps.html b/src/views/apps.html
index 9e8354444..b33fd4154 100644
--- a/src/views/apps.html
+++ b/src/views/apps.html
@@ -95,6 +95,12 @@
                     </div>
                   </div>
                 </div>
+
+                <div class="usermanagement-indicator">
+                  <i class="fas fa-user" ng-show="app.ssoAuth && !app.manifest.addons.email" uib-tooltip="Log in with Cloudron username and password"></i>
+                  <i class="far fa-user" ng-show="!app.ssoAuth && !app.manifest.addons.email" uib-tooltip="Not using Cloudron's usermanagement"></i>
+                  <i class="fas fa-envelope" ng-show="app.manifest.addons.email" uib-tooltip="Log in with Cloudron mailbox email and password"></i>
+                </div>
               </div>
 
               <!-- we check the version here because the box updater does not know when an app gets updated -->