Pieceful
Licenses
Last updated: October 1, 2026
Pieceful is built with open-source software and uses fonts and photos under their own licenses. We are grateful to their authors. This page lists them and the license each is used under. The App itself is not open source; see our Copyright notice.
1. Open-Source Software
The App is made with Flutter and the Dart language (BSD 3-Clause License, © The Flutter Authors and the Dart project authors), and uses these packages:
| Package | Used for | License |
|---|---|---|
| app_tracking_transparency | iOS tracking permission | MIT |
| cloud_firestore | Firebase database (legacy level source) | BSD 3-Clause |
| cupertino_icons | Icons | MIT |
| dio | Downloading puzzles | MIT |
| firebase_analytics | Usage analytics | BSD 3-Clause |
| firebase_core | Firebase | BSD 3-Clause |
| firebase_crashlytics | Crash reports | BSD 3-Clause |
| firebase_remote_config | Game settings | BSD 3-Clause |
| flutter_native_splash | Launch screen | MIT |
| flutter_soloud | Music and sound (SoLoud engine: zlib/libpng) | MIT |
| flutter_svg | Icons and artwork | MIT |
| get_it | App structure | MIT |
| google_mobile_ads | Ads and consent (Google AdMob) | Apache 2.0 |
| in_app_review | Rating prompt | MIT |
| onesignal_flutter | Push notifications | MIT |
| path_provider | Saving puzzles on the device | BSD 3-Clause |
| provider | App structure | MIT |
| purchases_flutter | In-app purchases (RevenueCat) | MIT |
| rate_us_on_store | "Rate Us" in Settings | MIT |
| share_plus | "Share App" in Settings | BSD 3-Clause |
| shared_preferences | Saving progress and settings | BSD 3-Clause |
| upgrader | Update notice | MIT |
| webview_flutter | Showing these pages in the App | BSD 3-Clause |
These packages also include smaller libraries of their own (for example the Firebase, Google Mobile Ads, RevenueCat and OneSignal native SDKs), each under its own license. The full license texts are available in each project's repository and at pub.dev.
2. Fonts
- Fredoka, Copyright 2016 The Fredoka Project Authors (github.com/hafontia/Fredoka-One)
- Nunito, Copyright 2014 The Nunito Project Authors (github.com/googlefonts/nunito)
Both are licensed under the SIL Open Font License, Version 1.1 and are bundled in the App unmodified.
3. Photos
Puzzle pictures from third-party sources keep their own licenses, and the App shows the credit under each such puzzle:
- Wikimedia Commons photos found through Openverse: CC0 1.0, the Public Domain Mark, or Creative Commons Attribution (CC BY) in the version shown with the photo. CC BY photos are credited with the photographer's name and license; they are cropped and cut into puzzle pieces.
- Unsplash photos served through Lorem Picsum, under the Unsplash License, credited with the photographer's name.
- Pictures in our own catalog are owned by us or used with permission from their owners.
4. Questions
If you believe something in the App is used without the right license or credit, please contact ahmadnasser.aff@gmail.com and we will correct it.