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Privacy Policy for Free Kindle Books - Ebooks

Latest update: June 2, 2026

Owner and Data Controller

CWTI Ltd
24 Tax Suite 137b Westlink House 981 Great West Road
Brentford, TW8 9DN
UK
UTR: 7166128503

Official app name: Free Kindle Books - Ebooks

Overview

Free Kindle Books - Ebooks helps users discover legal free Kindle ebooks from official Amazon Kindle stores. The app does not host books and is not affiliated with Amazon or Kindle. It uses third-party services for advertising, analytics, crash diagnostics, feature configuration, authentication, notifications, and optional personalized book alerts.

Types of Data collected

Data you provide directly

Account information: if you sign in with Google, we may receive your email address, display name, profile information, and user identifier from the sign-in provider.
Favorite authors and interests: authors you follow, book interests, categories, marketplaces, and related preferences used to personalize alerts and app behavior.
Feedback or support messages: information you choose to send when contacting us.

Data stored locally on your device

Preferences: marketplace, language, category, notification settings, ad-related local state, and other app settings.
Cache data: temporary book lists, images, and local state used to make the app faster.

Data collected automatically

Device and app information: device model, operating system version, app version, language, approximate region, and technical identifiers.
Usage Data: app opens, book clicks, category selections, search or sorting interactions, notification interactions, and other product events.
Advertising data: ad impressions, ad clicks, ad identifiers, consent status, approximate location, and other signals used by advertising providers.
Diagnostics: crash reports, stack traces, performance data, and error logs.
Push notification tokens: device tokens used to send reminders and personalized free-book alerts when enabled.
Install referrer data: referral or campaign information provided by Google Play when available.

Purposes of processing

Service provision: to display free Kindle ebook lists, categories, marketplaces, and book details.
Personalization: to remember your marketplace, category preferences, favorite authors, and alert settings.
Authentication: to securely sign you in and associate followed authors or alert settings with your account.
Notifications: to send reminders and personalized free-book alerts when enabled.
Advertising: to show ads, measure ad performance, prevent fraud, and keep the app free.
Analytics: to understand app usage and improve ranking, discovery, and retention features.
Stability and security: to identify crashes, fix bugs, prevent abuse, and protect backend services.

Third-party services we use

Firebase Authentication (Google LLC)

Used for Google sign-in and account management. Personal Data processed may include email address, display name, profile information, provider identifier, and user ID.

Cloud Firestore and Firebase backend services (Google LLC)

Used to store account-related data such as followed authors, alert settings, profile summaries, device registrations, and event records needed for personalized features.

Firebase Analytics (Google LLC)

Used for aggregated app usage measurement. Personal Data processed may include Usage Data, device information, app instance identifiers, campaign information, and approximate location.

Firebase Crashlytics (Google LLC)

Used to identify and fix crashes. Personal Data processed may include crash data, device information, operating system version, app version, and diagnostic logs.

Firebase Remote Config (Google LLC)

Used to manage feature flags, advertising configuration, and app behavior. Personal Data processed may include app instance identifiers and technical device information.

Firebase Cloud Messaging (Google LLC)

Used to deliver reminders and personalized alerts. Personal Data processed may include device tokens and notification delivery metadata.

Google AdMob and Google User Messaging Platform (Google LLC)

Used to display ads and manage advertising consent where required. Personal Data processed may include advertising identifiers, Usage Data, ad interactions, approximate location, device information, and consent status.

Meta Audience Network mediation

AdMob may use mediation partners such as Meta Audience Network to serve ads. Personal Data processed may include advertising identifiers, ad interactions, device information, and Usage Data, depending on consent and availability.

Google Play Install Referrer (Google LLC)

Used to understand installation source and campaign attribution. Personal Data processed may include install referrer and campaign metadata.

Backend API and hosting providers

We use backend services to deliver book lists, process profile-related requests, and protect the app from abuse. Technical request data may include IP address, request metadata, authentication token, and app version.

Advertising choices

Where required, the app requests advertising consent before showing personalized ads. You can also limit ad personalization through Android settings or Google ad settings. If you do not consent to personalized ads where consent is required, the app may still show non-personalized ads where permitted.

Data retention

Account and personalization data: retained while your account or personalized alert features are active.
Local preferences and cache: kept on your device until you clear app data or uninstall the app.
Analytics, ads, and diagnostics: retained according to the retention settings of the relevant third-party services.
Notification tokens: retained while notifications are enabled or until the token expires or is replaced.

Your choices and controls

You can use the app without signing in for core browsing features.
You can sign out or stop following authors at any time.
You can disable notifications in the app or in your Android settings.
You can reset or limit advertising identifiers through Android settings.
You can request deletion or export of account-related data by contacting us.

Amazon and Kindle disclaimer

The app links to official Amazon Kindle store pages but is not endorsed by, sponsored by, or affiliated with Amazon or Kindle. Amazon may process data when you open Amazon links or use Amazon services. Please review Amazon's own privacy notices for those interactions.

Children's privacy

Free Kindle Books - Ebooks is a general audience app and is not directed to children under 13. We do not knowingly collect personal data from children under 13.

International transfers

Third-party providers may process data in countries other than your own, including the United States and countries where Google, Meta, Amazon, or our hosting providers operate infrastructure.

Changes to this policy

We may update this Privacy Policy to reflect operational, legal, or platform changes. The updated version will be posted on this page with a new update date.

Contact us

For questions about this Privacy Policy or your data, contact privacy@ivanmorgillo.com.