Privacy Policy

Overview

The App itself collects only the minimum information needed to function. However, we integrate trusted third-party services (Google Mobile Ads/AdMob, Firebase Analytics, Firebase Crashlytics, Google Play Services) that may process certain information automatically (e.g., device identifiers, approximate location inferred by IP, usage data, and crash logs) to provide analytics, advertising, and reliability.

Content Sources & Ownership

The educational content displayed in the App (such as chapter outlines, example problems, and explanations) combines our original explanatory materials with publicly available information compiled for general academic and learning purposes.

• Our original content: Explanations, problem solutions, and step-by-step guides created by Ent Zone and contributors.
• Publicly available information: Topics, curriculum outlines, and exam structures based on the National Curriculum and Textbook Board (NCTB), Bangladesh syllabus and other open educational resources.
• Third-party links: Any external links (e.g., Google Drive, PDFs, or websites) shown in the App are hosted by third parties. We do not claim ownership or responsibility for their content.

Copyright: All trademarks, textbooks, and syllabi belong to their respective owners, including NCTB and related academic authorities. Our use of names and references is for identification and educational purposes only. If you are a rights holder and believe any material or link in this App violates your rights, please contact us with details (title, URL, and proof of ownership). We will review and remove or modify the material as necessary.

বাংলা সারাংশ: অ্যাপে প্রদর্শিত কনটেন্ট মূলত আমাদের নিজস্ব ব্যাখ্যা ও সমাধান এবং জাতীয় শিক্ষাক্রম ও পাঠ্যপুস্তক বোর্ড (NCTB) কর্তৃক প্রকাশিত উন্মুক্ত পাঠ্যসূচি ও শিক্ষাসংক্রান্ত তথ্যের সংকলন। আমরা কোনও কপিরাইটেড বই বা পেইড কনটেন্ট হোস্ট করি না। কপিরাইট সংক্রান্ত অভিযোগ থাকলে আমাদের সাথে যোগাযোগ করুন—আমরা যথাযথ ব্যবস্থা নেব।

Information We Collect

• Usage data — screens viewed, session duration, in-app events (via Firebase Analytics).
• Crash & diagnostic data — stack traces, device model, OS version, coarse device info (via Firebase Crashlytics).
• Advertising data — Android Advertising ID (AAID), ad impressions/clicks, approximate location derived from IP, and device signals used for fraud prevention and ad delivery (via AdMob).
• Device & app info — app version, language, country, and general device capabilities (via Google Play Services/Firebase SDKs).

We do not knowingly collect names, phone numbers, precise GPS location, or contact lists. Any personal data processed by third-party SDKs is handled according to their policies below.

How We Use Information

• Provide and improve the App’s features and content.
• Analytics to understand usage and improve usability and performance.
• Advertising (including personalized ads where permitted) and to prevent invalid traffic/fraud.
• Diagnostics to investigate crashes, bugs, and reliability issues.
• Compliance with legal obligations and enforcement of our Terms.

Legal Bases (EEA/UK)

Where applicable, we rely on: (i) consent for analytics/advertising cookies or identifiers (e.g., personalized ads), and (ii) legitimate interests for service security, basic measurement, and fraud prevention. When required, a consent prompt may be shown to EEA/UK users before using optional identifiers.

Third-Party Services (SDKs)

Links to the privacy policies of the third-party providers used by the App:

• Google Play Services
• Google AdMob
• Firebase Analytics
• Firebase Crashlytics

Children’s Privacy

The App is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe a child provided personal information, please contact us and we will promptly delete it.

Security

We use commercially reasonable measures to protect information. However, no method of transmission or storage is 100% secure.

International Transfers

Third-party providers may process information on servers located outside your country. They use appropriate safeguards as described in their policies.

Changes to This Policy

We may update this Privacy Policy from time to time. We will post the new version in the App or on our website www.entzones.com. Please review it periodically.

Contact Us

If you have questions or requests regarding this Privacy Policy, contact us at:
developer@entzones.com