diff --git a/filcnaplo/android/app/build.gradle b/filcnaplo/android/app/build.gradle
index 46a259d..49825fb 100644
--- a/filcnaplo/android/app/build.gradle
+++ b/filcnaplo/android/app/build.gradle
@@ -44,7 +44,7 @@ android {
     }
 
     defaultConfig {
-        applicationId "hu.filc.naplo"
+        applicationId "hu.refilc.naplo"
         minSdkVersion 21
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
diff --git a/filcnaplo/android/app/src/debug/AndroidManifest.xml b/filcnaplo/android/app/src/debug/AndroidManifest.xml
index 5888d0a..826ca84 100644
--- a/filcnaplo/android/app/src/debug/AndroidManifest.xml
+++ b/filcnaplo/android/app/src/debug/AndroidManifest.xml
@@ -1,4 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="hu.filc.naplo">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="hu.refilc.naplo">
   <!-- Permissions -->
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.VIBRATE" />
diff --git a/filcnaplo/android/app/src/main/AndroidManifest.xml b/filcnaplo/android/app/src/main/AndroidManifest.xml
index 297f8ff..b5359c4 100644
--- a/filcnaplo/android/app/src/main/AndroidManifest.xml
+++ b/filcnaplo/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools" package="hu.filc.naplo">
+    xmlns:tools="http://schemas.android.com/tools" package="hu.refilc.naplo">
     <application android:label="reFilc" tools:replace="android:label" android:icon="@mipmap/ic_launcher"
         android:requestLegacyExternalStorage="true">
         <activity android:exported="true" android:name=".MainActivity"
diff --git a/filcnaplo/android/app/src/main/java/hu/filc/naplo/MainActivity.java b/filcnaplo/android/app/src/main/java/hu/filc/naplo/MainActivity.java
index 9006cd5..09f0931 100644
--- a/filcnaplo/android/app/src/main/java/hu/filc/naplo/MainActivity.java
+++ b/filcnaplo/android/app/src/main/java/hu/filc/naplo/MainActivity.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo;
+package hu.refilc.naplo;
 
 import android.os.Bundle;
 
diff --git a/filcnaplo/android/app/src/profile/AndroidManifest.xml b/filcnaplo/android/app/src/profile/AndroidManifest.xml
index 5888d0a..826ca84 100644
--- a/filcnaplo/android/app/src/profile/AndroidManifest.xml
+++ b/filcnaplo/android/app/src/profile/AndroidManifest.xml
@@ -1,4 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="hu.filc.naplo">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="hu.refilc.naplo">
   <!-- Permissions -->
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.VIBRATE" />
diff --git a/filcnaplo/lib/models/config.dart b/filcnaplo/lib/models/config.dart
index 08def23..510ce22 100644
--- a/filcnaplo/lib/models/config.dart
+++ b/filcnaplo/lib/models/config.dart
@@ -9,7 +9,7 @@ class Config {
 
   factory Config.fromJson(Map json) {
     return Config(
-      userAgent: json["user_agent"] ?? "hu.filc.naplo/\$0/\$1/\$2",
+      userAgent: json["user_agent"] ?? "hu.refilc.naplo/\$0/\$1/\$2",
       json: json,
     );
   }
diff --git a/filcnaplo_mobile_ui/lib/screens/navigation/navigation_screen.dart b/filcnaplo_mobile_ui/lib/screens/navigation/navigation_screen.dart
index 92902f4..c7cec4a 100755
--- a/filcnaplo_mobile_ui/lib/screens/navigation/navigation_screen.dart
+++ b/filcnaplo_mobile_ui/lib/screens/navigation/navigation_screen.dart
@@ -135,7 +135,7 @@ class NavigationScreenState extends State<NavigationScreen>
 
     initPlatformState();
 
-    HomeWidget.setAppGroupId('hu.filc.naplo.group');
+    HomeWidget.setAppGroupId('hu.refilc.naplo.group');
 
     _checkForWidgetLaunch();
     HomeWidget.widgetClicked.listen(_launchedFromWidget);
diff --git a/filcnaplo_premium/android/database/DBManager.java b/filcnaplo_premium/android/database/DBManager.java
index b32f5a7..996ed4f 100644
--- a/filcnaplo_premium/android/database/DBManager.java
+++ b/filcnaplo_premium/android/database/DBManager.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.database;
+package hu.refilc.naplo.database;
 
 import android.content.ContentValues;
 import android.content.Context;
@@ -7,7 +7,7 @@ import android.database.sqlite.SQLiteDatabase;
 
 import java.sql.SQLException;
 
-import hu.filc.naplo.database.SQLiteHelper;
+import hu.refilc.naplo.database.SQLiteHelper;
 
 public class DBManager {
     private Context context;
diff --git a/filcnaplo_premium/android/database/SQLiteHelper.java b/filcnaplo_premium/android/database/SQLiteHelper.java
index 10a97ec..11b22fb 100644
--- a/filcnaplo_premium/android/database/SQLiteHelper.java
+++ b/filcnaplo_premium/android/database/SQLiteHelper.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.database;
+package hu.refilc.naplo.database;
 
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
diff --git a/filcnaplo_premium/android/utils/Utils.java b/filcnaplo_premium/android/utils/Utils.java
index d137c4c..51f635b 100644
--- a/filcnaplo_premium/android/utils/Utils.java
+++ b/filcnaplo_premium/android/utils/Utils.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.utils;
+package hu.refilc.naplo.utils;
 
 import android.content.Context;
 import android.net.ConnectivityManager;
diff --git a/filcnaplo_premium/android/utils/Week.java b/filcnaplo_premium/android/utils/Week.java
index fba471c..e823c18 100644
--- a/filcnaplo_premium/android/utils/Week.java
+++ b/filcnaplo_premium/android/utils/Week.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.utils;
+package hu.refilc.naplo.utils;
 
 import java.time.DayOfWeek;
 import java.time.Duration;
diff --git a/filcnaplo_premium/android/widget_timetable/WidgetTimetable.java b/filcnaplo_premium/android/widget_timetable/WidgetTimetable.java
index e43783f..6336edf 100644
--- a/filcnaplo_premium/android/widget_timetable/WidgetTimetable.java
+++ b/filcnaplo_premium/android/widget_timetable/WidgetTimetable.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.widget_timetable;
+package hu.refilc.naplo.widget_timetable;
 
 import android.app.PendingIntent;
 import android.appwidget.AppWidgetManager;
@@ -27,11 +27,11 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.Locale;
 
-import hu.filc.naplo.database.DBManager;
-import hu.filc.naplo.MainActivity;
-import hu.filc.naplo.R;
+import hu.refilc.naplo.database.DBManager;
+import hu.refilc.naplo.MainActivity;
+import hu.refilc.naplo.R;
 
-import hu.filc.naplo.utils.Week;
+import hu.refilc.naplo.utils.Week;
 
 import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
 
diff --git a/filcnaplo_premium/android/widget_timetable/WidgetTimetableDataProvider.java b/filcnaplo_premium/android/widget_timetable/WidgetTimetableDataProvider.java
index 14cbde5..147157a 100644
--- a/filcnaplo_premium/android/widget_timetable/WidgetTimetableDataProvider.java
+++ b/filcnaplo_premium/android/widget_timetable/WidgetTimetableDataProvider.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.widget_timetable;
+package hu.refilc.naplo.widget_timetable;
 
 import android.appwidget.AppWidgetManager;
 import android.content.Context;
@@ -20,8 +20,8 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 
-import hu.filc.naplo.database.DBManager;
-import hu.filc.naplo.R;
+import hu.refilc.naplo.database.DBManager;
+import hu.refilc.naplo.R;
 
 public class WidgetTimetableDataProvider implements RemoteViewsService.RemoteViewsFactory {
 
diff --git a/filcnaplo_premium/android/widget_timetable/WidgetTimetableService.java b/filcnaplo_premium/android/widget_timetable/WidgetTimetableService.java
index 547b13b..01a5f90 100644
--- a/filcnaplo_premium/android/widget_timetable/WidgetTimetableService.java
+++ b/filcnaplo_premium/android/widget_timetable/WidgetTimetableService.java
@@ -1,4 +1,4 @@
-package hu.filc.naplo.widget_timetable;
+package hu.refilc.naplo.widget_timetable;
 
 import android.content.Intent;
 import android.os.Build;