diff --git a/source/plugin/Assets/Plugins/iOS/GADUInterface.m b/source/plugin/Assets/Plugins/iOS/GADUInterface.m
index 7ef88a5b0..6681c56f4 100644
--- a/source/plugin/Assets/Plugins/iOS/GADUInterface.m
+++ b/source/plugin/Assets/Plugins/iOS/GADUInterface.m
@@ -140,47 +140,23 @@ void GADUDisableSDKCrashReporting() {
 
 float GADUDeviceScale() { return UIScreen.mainScreen.scale; }
 
-void GADUSetIntegerPreference(const char *key, NSInteger value) {
-  CFStringRef cfKey = (__bridge CFStringRef)GADUStringFromUTF8String(key);
-  CFNumberRef cfValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberNSIntegerType, &value);
-  CFPreferencesSetAppValue(cfKey, cfValue, kCFPreferencesCurrentApplication);
-  CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
-}
-
-void GADUSetStringPreference(const char *key, const char *value) {
-  CFStringRef cfKey = (__bridge CFStringRef)GADUStringFromUTF8String(key);
-  CFStringRef cfValue = (__bridge CFStringRef)GADUStringFromUTF8String(value);
-  CFPreferencesSetAppValue(cfKey, cfValue, kCFPreferencesCurrentApplication);
-  CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
-}
-
-int GADUGetIntegerPreference(const char *key) {
-  CFStringRef cfKey = (__bridge CFStringRef)GADUStringFromUTF8String(key);
-  Boolean keyExists;
-  CFIndex retrievedValue =
-      CFPreferencesGetAppIntegerValue(cfKey, kCFPreferencesCurrentApplication, &keyExists);
-  if (!keyExists) {
-    NSLog(@"Preference with key %s not found or has an invalid format (not int).", key);
-  }
-  return (int)retrievedValue;
+void GADUSetUserDefaultsInteger(const char *key, NSInteger value) {
+  [NSUserDefaults.standardUserDefaults setInteger:value forKey:GADUStringFromUTF8String(key)];
 }
 
-const char *GADUGetStringPreference(const char *key) {
-  CFStringRef cfKey = (__bridge CFStringRef)GADUStringFromUTF8String(key);
-  CFPropertyListRef retrievedValue =
-      CFPreferencesCopyAppValue(cfKey, kCFPreferencesCurrentApplication);
-  if (retrievedValue == NULL) {
-    return NULL;
-  }
-  CFTypeID typeID = CFGetTypeID(retrievedValue);
-  if (typeID != CFStringGetTypeID()) {
-    NSLog(@"Unable to find a string value for key %s.", key);
-    CFRelease(retrievedValue);
-    return NULL;
-  }
-  NSString *stringPreference = (__bridge NSString *)retrievedValue;
-  CFRelease(retrievedValue);
-  return cStringCopy(stringPreference.UTF8String);
+void GADUSetUserDefaultsString(const char *key, const char *value) {
+  [NSUserDefaults.standardUserDefaults setObject:GADUStringFromUTF8String(value)
+                                          forKey:GADUStringFromUTF8String(key)];
+}
+
+int GADUGetUserDefaultsInteger(const char *key) {
+  return (int)[NSUserDefaults.standardUserDefaults integerForKey:GADUStringFromUTF8String(key)];
+}
+
+const char *GADUGetUserDefaultsString(const char *key) {
+  NSString *value = [NSUserDefaults.standardUserDefaults
+                        stringForKey:GADUStringFromUTF8String(key)];
+  return cStringCopy(value.UTF8String);
 }
 
 /// Returns the safe width of the device.