diff --git a/src/js/client.js b/src/js/client.js
index f56d28e3b..e262d911b 100644
--- a/src/js/client.js
+++ b/src/js/client.js
@@ -127,6 +127,7 @@ angular.module('Application').service('Client', ['$http', '$interval', 'md5', 'N
             memory: 0
         };
         this._installedApps = [];
+        this._installedAppsById = {};
         this._clientId = '<%= oauth.clientId %>';
         this._clientSecret = '<%= oauth.clientSecret %>';
         // window.location fallback for websocket connections which do not have relative uris
@@ -1126,6 +1127,8 @@ angular.module('Application').service('Client', ['$http', '$interval', 'md5', 'N
             var loc = binarySearch(this._installedApps, function (item) { return item.fqdn.localeCompare(app.fqdn) <= 0; });
             this._installedApps.splice(loc, 0, tmp); // insert into sorted fqdn array
         }
+
+        this._installedAppsById[app.id] = this._installedApps[found];
     };
 
     // this requires app:manage permissions
@@ -1151,20 +1154,25 @@ angular.module('Application').service('Client', ['$http', '$interval', 'md5', 'N
         this.getApps(function (error, apps) {
             if (error) return callback(error);
 
-            asyncForEach(apps, function (app, iteratorDone) {
+            asyncForEach(apps, function (app, iteratorCallback) {
                 var canManageApp = that.hasScope('apps:manage'); // this can become per app level later
 
                 if (!canManageApp) {
                     that._updateAppCache(app);
-                    return iteratorDone();
+                    return iteratorCallback();
                 }
 
-                that.refreshAppCache(app.id, iteratorDone);
-            }, function (error) {
+                if (that._installedAppsById[app.id] && that._installedAppsById[app.id].ts === app.ts) return iteratorCallback(); // app has not changed
+
+                that.refreshAppCache(app.id, iteratorCallback);
+            }, function iteratorDone(error) {
+                if (error) return callback(error);
+
                 // filter out old apps, going backwards to allow splicing
-                for(var i = that._installedApps.length - 1; i >= 0; --i) {
+                for (var i = that._installedApps.length - 1; i >= 0; --i) {
                     if (!apps.some(function (elem) { return (elem.id === that._installedApps[i].id); })) {
-                        that._installedApps.splice(i, 1);
+                        var removed = that._installedApps.splice(i, 1);
+                        delete that._installedAppsById[removed[0].id];
                     }
                 }