Credits & Attributions

Effective Date · April 27, 2026

EasyListen stands on the shoulders of open-source software, royalty-free media providers, and content publishers who let their work be used under permissive licenses. This page lists every third-party source that ships with the app or website, along with the role it plays and the license it ships under. For more detail on data flows and personal data, see our Privacy Policy and Terms of Service.

01.Content sources

Lessons in EasyListen come from three places: AI-generated original text, curated news headlines, and real podcast episodes. The card for each lesson labels the source, and the lesson detail page links back to the original publisher whenever one exists.

Podcast IndexFunded by donations. EasyListen credits the directory in-app and on this site.

Podcast discovery API. Episode metadata, feed URLs, and transcript pointers used by Daily Mix and real-podcast lessons.

Agência BrasilCC BY 3.0 — commercial use and derivative works permitted with attribution.

Portuguese-language news headlines used to inspire curated_news lessons.

Global VoicesCC BY 3.0 — commercial use and derivative works permitted with attribution.

English, Spanish, and Portuguese news headlines used to inspire curated_news lessons.

Podcast publishersEach show under its own license. EasyListen does not modify, re-encode, or rehost the audio.

Each podcast episode in Daily Mix and real-podcast lessons is streamed directly from the publisher's original feed — never re-hosted. The card and detail screens credit the show name; the lesson detail page links to the original source.

02.Images

Lesson and topic cover images are sourced from royalty-free image providers. Each provider permits commercial use under its respective license; we cache the URLs but never re-host the original files.

UnsplashUnsplash License — free commercial use, attribution appreciated.

Lesson and topic cover images.

PexelsPexels License — free commercial use, attribution appreciated.

Lesson and topic cover images.

PixabayPixabay Content License — free commercial use, no attribution required.

Lesson and topic cover images.

03.Platform & infrastructure

The services below power authentication, storage, AI generation, anti-spam, and billing. Each one only receives the data strictly needed for its role — see the Privacy Policy for the full breakdown.

SupabaseApache 2.0 (open source) — used as a managed service.

Backend: authentication, database, audio storage, edge functions.

Google Cloud Text-to-Speech (Neural2)Google Cloud terms of service.

Generates the spoken audio for AI and curated_news lessons.

Google GeminiGoogle Cloud terms of service.

Generates lesson text for AI lessons and rephrases news headlines into ear-training scripts.

Apple Sign-InApple developer terms.

Optional sign-in on iOS.

Google Sign-InGoogle Identity Services terms.

Optional sign-in on Android.

Google reCAPTCHA v3Google reCAPTCHA terms.

Anti-spam on the waitlist and contact forms.

GroqGroq terms of service.

Speech-to-text transcription for podcast-based lessons.

DeepgramDeepgram terms of service.

Speech-to-text transcription for podcast-based lessons.

Cloudflare R2Cloudflare terms of service.

Audio storage.

Apple App Store / Google PlayEach store's developer agreement.

Billing for Premium subscriptions.

04.Open-source software

The EasyListen mobile app is built with Flutter and Dart, and uses dozens of open-source packages from pub.dev. The website uses Next.js, React, and Tailwind CSS. Icon glyphs come from Google's Material Symbols and Apple SF Symbols. Each library ships under its own license — typically Apache 2.0, MIT, or BSD. Per-library credits are listed inside the app under Profile → About → Open-source licenses.

05.Reporting an attribution issue

If you believe content in EasyListen is missing an attribution it deserves, or if you are a rights-holder asking for a takedown, please reach us at jang94uruguay@gmail.com and include a link to the original work. We act on legitimate requests quickly.