Privacy Policy for Leo Academy
No Personal Tracking
We do not collect names, email addresses, phone numbers, contacts, or behavioral advertising profiles.
Local-Only Storage
Your study progress, solved checks, and bookmarked problems remain stored strictly on your local device.
Zero Account Trap
No account creation, no passwords, and zero login barriers. Access the full masterclass catalog freely.
1. Overview and Scope
This Privacy Policy explains how Leo Academy ("we", "our", or "us") manages information when you use our website (https://leoacademy.blog) and our Android mobile application (Leo Academy, package identifier: dev.leoacademy.app).
We are dedicated to providing a visual, distraction-free computer science learning platform. We believe software engineering education should be open and accessible without invasive tracking, advertising networks, or unnecessary data harvesting.
2. Information We Do Not Collect
Leo Academy is designed from the ground up to minimize data collection. Specifically:
- No Personal Identifiers: We do not ask for or store your name, email address, physical address, phone number, or government IDs.
- No User Accounts: We do not require account registration or passwords to use the service.
- No Financial or Payment Data: The application is 100% free; we do not process credit cards, bank accounts, or in-app billing.
- No Device Fingerprinting or Ad Tracking: We do not collect Google Advertising ID (AAID), IDFA, or unique hardware serial numbers for tracking or profiling.
- No Location Tracking: We do not request or track GPS, coarse, or fine location data.
3. Information Stored Locally on Your Device
To provide you with a continuous learning experience across sessions, the application stores minimal operational preferences in your device's browser or WebView local storage (localStorage):
- Study Progress: Identifiers of problems you have marked as solved or completed.
- Favorites: Problem numbers you have added to your bookmarks list.
- Display Preferences: Your preferred theme (Light Mode or Dark Mode).
This information stays exclusively within your local device environment and is never uploaded, synced, or transmitted to any external server managed by Leo Academy.
4. Third-Party Services and Content Delivery
The application interacts with trusted third-party providers solely to deliver core educational multimedia:
- Embedded YouTube Video Player: Video problem walkthroughs and visual animations are streamed using the official embedded YouTube player. When viewing a video, YouTube (Google LLC) may process standard network interactions (such as IP address, device viewport, and media controls) subject to the Google Privacy Policy.
- Google Fonts: Clean typography (Sora, Inter, and JetBrains Mono) is delivered via Google Fonts to optimize rendering speed and visual aesthetics.
5. Android Permissions
The Android package dev.leoacademy.app requests only the following permission:
-
android.permission.INTERNET: Required strictly to load educational problem datasets, fetch code solutions, and stream embedded YouTube video lessons.
The application does not request camera, microphone, contacts, location, storage access (READ/WRITE external storage), SMS, or phone state permissions.
6. Data Retention and Deletion (Google Play Compliance)
Because Leo Academy does not create user accounts or maintain user databases on cloud servers, there is no remote account data stored on our systems.
How to delete your data: You can completely erase your local study history, bookmarks, and theme preferences at any time by:
- Clearing the app's cache and storage in Android: Settings > Apps > Leo Academy > Storage > Clear Storage; or
- Clearing website data for
leoacademy.blogin your browser settings; or - Uninstalling the Leo Academy application from your device.
7. Children's Privacy
Our service is an educational resource aimed at software engineers, university students, and interview candidates. We do not knowingly collect personal information from children under the age of 13 (or under the applicable age limit in your jurisdiction), in compliance with the Children's Online Privacy Protection Act (COPPA) and General Data Protection Regulation (GDPR).
8. Security
All communications between your device and our web servers use modern Transport Layer Security (TLS/HTTPS) encryption, protecting data integrity in transit.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect modifications in our features or compliance with applicable laws. The revised policy will be posted on this page with an updated "Effective Date" at the top.
10. Contact Us
If you have any questions, feedback, or inquiries regarding this Privacy Policy or our data practices, please contact us:
Developer: Leo Academy
Website: https://leoacademy.blog
Email: [email protected]