diff --git a/README.md b/README.md
index 302f1cd..603ef1c 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,50 @@ The Plugin is only for iOS.
         // failed
       });
 
+### Save multiple values at once in UserDefaults
+
+var suite = "group.cats.catsAreAwesome";
+var options1 = {
+      key: "foo",
+      value: "bar"};
+
+var options2 = {
+      key: "foo2",
+      value: "bar2"};
+
+window.AppGroupsUserDefaults.saveAll(suite, [options1, options2],
+  function() {
+     // success
+  }, function() {
+    // failed
+  });
+
+### Remove from UserDefaults
+
+var options = {
+      key: "foo",
+      suite: "group.cats.catsAreAwesome"};
+
+window.AppGroupsUserDefaults.remove(options,
+  function() {
+     // success
+  }, function() {
+    // failed
+  });
+
+### Remove multiple values at once from UserDefaults
+
+var suite = "group.cats.catsAreAwesome";
+var key1 = "foo";
+var key2 = "foo2";
+
+window.AppGroupsUserDefaults.removeAll(suite, [key1, key2],
+  function() {
+     // success
+  }, function() {
+    // failed
+  });
+
 ### Load from UserDefaults
 
     var options = {
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..de6465b
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "cordova-plugin-nsuserdefaults-for-app-groups",
+  "version": "1.0.0",
+  "description": "Cordova plugin to interact fith NSUserDefaults",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/maksymilian-majer/cordova-plugin-nsuserdefaults-for-app-groups.git"
+  },
+  "author": "",
+  "license": "UNLICENSED",
+  "bugs": {
+    "url": "https://github.com/maksymilian-majer/cordova-plugin-nsuserdefaults-for-app-groups/issues"
+  },
+  "homepage": "https://github.com/maksymilian-majer/cordova-plugin-nsuserdefaults-for-app-groups#readme"
+}
diff --git a/src/ios/AppGroupsUserDefaults.m b/src/ios/AppGroupsUserDefaults.m
index 706639e..a34da9d 100644
--- a/src/ios/AppGroupsUserDefaults.m
+++ b/src/ios/AppGroupsUserDefaults.m
@@ -28,6 +28,87 @@ - (void) save:(CDVInvokedUrlCommand*)command
     [self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
 }
 
+- (void) saveAll:(CDVInvokedUrlCommand*)command
+{
+    // initialize user default' dictionary for the given app group (suite)
+    NSString* suite = [command.arguments firstObject];
+    NSUserDefaults* prefs = [[NSUserDefaults alloc] initWithSuiteName:suite];
+
+    // loop through all command arguments
+    int i;
+    for (i = 1; i < command.arguments.count; i++) {
+        // load the options
+        NSDictionary *arguments = [command.arguments objectAtIndex:i];
+        NSString* key = [arguments objectForKey:@"key"];
+        NSString* value = [arguments objectForKey:@"value"];
+
+        // do the magic
+        [prefs setObject:value forKey:key];
+    }
+
+    // force the sync
+    [prefs synchronize];
+
+    // give the callback
+    CDVPluginResult* result = nil;
+    for (i = 1; i < command.arguments.count; i++) {
+        // load the options
+        NSDictionary *arguments = [command.arguments objectAtIndex:i];
+        NSString* key = [arguments objectForKey:@"key"];
+        NSString* value = [arguments objectForKey:@"value"];
+
+        BOOL valuesAreEqual = [[prefs stringForKey:key] isEqualToString:value];
+        if(result == nil && valuesAreEqual)
+        {
+            result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];
+        } else if (!valuesAreEqual) {
+            result = [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION];
+            break;
+        }
+    }
+
+    [self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
+}
+
+- (void) remove:(CDVInvokedUrlCommand*)command
+{
+    // load the options
+    NSDictionary* arguments = [command.arguments objectAtIndex:0];
+    NSString* key = [arguments objectForKey:@"key"];
+    NSString* suite = [arguments objectForKey:@"suite"];
+
+    // do more magic
+    NSUserDefaults *prefs = [[NSUserDefaults alloc] initWithSuiteName:suite];
+    [prefs removeObjectForKey:key];
+
+    // force the sync
+    [prefs synchronize];
+
+    [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK] callbackId:command.callbackId];
+}
+
+- (void) removeAll:(CDVInvokedUrlCommand*)command
+{
+    // initialize user default' dictionary for the given app group (suite)
+    NSString* suite = [command.arguments firstObject];
+    NSUserDefaults* prefs = [[NSUserDefaults alloc] initWithSuiteName:suite];
+
+    // loop through all command arguments
+    int i;
+    for (i = 1; i < command.arguments.count; i++) {
+        // load the key
+        NSString* key = [command.arguments objectAtIndex:i];
+
+        // do the magic
+        [prefs removeObjectForKey:key];
+    }
+
+    // force the sync
+    [prefs synchronize];
+
+    [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK] callbackId:command.callbackId];
+}
+
 - (void) load:(CDVInvokedUrlCommand*)command
 {
     // load the options
diff --git a/www/app_groups_user_defaults.js b/www/app_groups_user_defaults.js
index 71cc50d..4107911 100644
--- a/www/app_groups_user_defaults.js
+++ b/www/app_groups_user_defaults.js
@@ -8,5 +8,19 @@ AppGroupsUserDefaults.prototype.load = function(options, success, fail) {
   cordova.exec(success, fail, "AppGroupsUserDefaults", "load", [options]);
 };
 
+AppGroupsUserDefaults.prototype.remove = function(options, success, fail) {
+  cordova.exec(success, fail, "AppGroupsUserDefaults", "remove", [options]);
+};
+
+AppGroupsUserDefaults.prototype.saveAll = function(suite, options, success, fail) {
+  var args = [suite].concat(options);
+  cordova.exec(success ,fail , "AppGroupsUserDefaults", "saveAll", args);
+};
+
+AppGroupsUserDefaults.prototype.removeAll = function(suite, options, success, fail) {
+  var args = [suite].concat(options);
+  cordova.exec(success, fail, "AppGroupsUserDefaults", "removeAll", args);
+};
+
 var appGroupsUserDefaults = new AppGroupsUserDefaults();
 module.exports = appGroupsUserDefaults;