← ReaderML

Third-Party Notices

Last updated: July 1, 2026

Overview

ReaderML is built using open-source packages and third-party services. This page lists the key third-party components used in the App and their respective licenses and terms.

Third-Party Services

Google Firebase

Used for authentication, remote configuration, analytics, and crash reporting.

Provider: Google LLC

Terms: firebase.google.com/terms

Privacy: policies.google.com/privacy

Google Sign-In

Used for user account authentication.

Provider: Google LLC

Terms: policies.google.com/terms

Privacy: policies.google.com/privacy

Cloudflare R2

Used for cloud file storage for Pro subscribers.

Provider: Cloudflare, Inc.

Terms: cloudflare.com/terms

Privacy: cloudflare.com/privacypolicy

Google Play Billing

Used for processing subscription payments.

Provider: Google LLC

Play Terms: play.google.com/about/play-terms

RevenueCat

Used to manage in-app subscriptions and validate purchase entitlements.

Provider: RevenueCat, Inc.

Terms: revenuecat.com/terms

Privacy: revenuecat.com/privacy

PDF Engine

ReaderML renders documents using the pdfrx package, which bundles Google's PDFium rendering engine.

pdfrx

License: MIT

github.com/espresso3389/pdfrx

PDFium

PDF rendering engine bundled by pdfrx.

Provider: The Chromium Authors / Google LLC

License: BSD 3-Clause / Apache 2.0

pdfium.googlesource.com/pdfium

Open-Source Packages

ReaderML is built with the Flutter framework and additional open-source packages, each used in accordance with its respective license (predominantly MIT, BSD 3-Clause, and Apache 2.0). The complete list of bundled packages and their full license texts is available inside the App on the Open-Source Licenses screen.

Contact

If you have questions about any third-party component used in this App, contact:

support.readerml@gmail.com