Credits & Licenses

Ambient Nature Music | Nature
By: Alex-Productions (onsound.eu)
Promoted by: Chosic
License: Creative Commons CC BY 3.0

Modified: renamed, re-encoded and cropped.

UI & Game Sound Effects
By: Various audio packs by Kenney
License: CC0 1.0 Universal (Public Domain)

Space Grotesk & Nunito
By: Florian Karsten and Vernon Adams, Cyreal, Jacques Le Bailly
License: SIL Open Font License 1.1

Used in the app's interface and on this site.

Abril Fatface, Bungee Shade, Finger Paint, Monoton and Press Start 2P
By: TypeTogether, David Jonathan Ross, Gaurav Nagar / Nikhil Ranganathan, Vernon Adams, and CodeMan38
License: SIL Open Font License 1.1

Used in Stroop mode.

All typefaces above are distributed via Google Fonts and are bundled with the app.

Flutter and the Dart SDK
By: Google and the Flutter contributors
License: BSD 3-Clause

FlutterFire — Firebase Analytics, Crashlytics, Authentication, Cloud Firestore, Remote Config and App Check plugins
By: Google / Invertase
License: BSD 3-Clause

Google Mobile Ads and google_fonts for Flutter
By: Google
License: Apache License 2.0

purchases_flutter (RevenueCat)
By: RevenueCat
License: MIT

flutter_local_notifications and age_range_signals
By: Michael Bui / Google
License: BSD 3-Clause and Apache License 2.0

A full dependency listing with license texts is available on request — email [email protected].