Third-Party Notices & Open Source Attributions

Last updated: March 8, 2025
Introduction
This document contains attribution notices for open-source software used in the Doubl mobile application. Some of these libraries are licensed under open-source licenses that require attribution, and we comply with those requirements by listing them here.
Apache License 2.0
The following components are licensed under the Apache License 2.0:
  • @expo-google-fonts/nunito - Copyright (c) Google Fonts
  • @react-native-async-storage/async-storage - Copyright (c) React Native Community
  • @react-native-community/datetimepicker - Copyright (c) React Native Community
  • @react-native-google-signin/google-signin - Copyright (c) Google
  • @supabase/supabase-js - Copyright (c) Supabase
  • Selected icons from Iconduck are used under the Apache License 2.0. Full list available at: https://iconduck.com.
Full Apache License 2.0 Text: https://www.apache.org/licenses/LICENSE-2.0
MIT License
The following components are licensed under the MIT License:
  • expo - Copyright (c) Expo
  • expo-router - Copyright (c) Expo
  • react-native-svg - Copyright (c) React Native Community
  • react-native-reanimated - Copyright (c) Software Mansion
  • react-native-gesture-handler - Copyright (c) Software Mansion
  • nativewind - Copyright (c) NativeWind
  • Selected icons from Iconduck are used under the MIT License. Full list available at: https://iconduck.com.
Full MIT License Text: https://opensource.org/licenses/MIT
BSD Licenses
The following components are licensed under BSD-style licenses:
  • react-native-safe-area-context - BSD-2-Clause License: https://opensource.org/licenses/BSD-2-Clause
  • react-native-screens - BSD-2-Clause License: https://opensource.org/licenses/BSD-2-Clause
  • expo-constants - BSD-3-Clause License: https://opensource.org/licenses/BSD-3-Clause
Creative Commons Attribution License
The following components are licensed under the Creative Commons Attribution License:
  • Nunito Font - (Licensed under the Open Font License by Google Fonts)
  • Nunito Font License: https://fonts.google.com/specimen/Nunito/license
  • Icons from Iconduck are used under various licenses, including CC0, Creative Commons Attribution, MIT, and Apache. Full license details are available at: https://iconduck.com/licenses.
Other Licenses
The following components have unique license terms:
  • JustDeleteMe - License: https://justdeleteme.xyz
Compliance Notice
All open-source libraries used in Doubl comply with their respective licenses, and we ensure that all attributions are properly displayed. If you believe any information is missing or incorrect, please contact us.
Disclaimer
The above third-party software is provided "as is," without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and non-infringement. See the respective license agreements for more details.
For any questions regarding third-party licenses, please contact: [email protected]
© 2025 Doubl. All rights reserved. All content, trademarks, logos, and intellectual property displayed on this website and the Doubl mobile application are the exclusive property of Doubl, unless otherwise stated. Any unauthorized use, reproduction, modification, distribution, or display of our content without explicit written permission is strictly prohibited. If you believe that any content on this website or our mobile application infringes your copyright, you may submit a notification under the Digital Millennium Copyright Act (DMCA) by contacting us at [email protected]. This copyright notice applies globally, in accordance with applicable copyright laws of Germany, the European Union, the United States, France, and Switzerland. Any disputes arising from copyright claims shall be governed by the applicable jurisdiction in which Doubl operates.