Privacy Policy

App Name: LeagueBuddy
Developer: Bc. Matej Pašek
Institution: Faculty of Information Technology, Czech Technical University in Prague
Effective Date: 3.3.2026
Last Updated: 3.3.2026

1. Introduction

LeagueBuddy is an iOS application developed as part of a master's thesis project. This Privacy Policy explains how we collect, use, and protect your information.

2. Data We Collect

Firebase Authentication

  • Firebase User ID (firebase_uid)
  • Basic authentication metadata

We do not store your Google password.

Riot Games Data (When Implemented)

  • Riot ID
  • PUUID
  • Summoner Name
  • Profile information available via Riot API
  • OAuth tokens (stored securely and only as necessary)

Application Data

  • User-created tier lists
  • Aggregated rankings
  • Associated metadata

Data is stored in PostgreSQL.

Technical Data

Limited technical data such as device type, app version, and error logs may be collected for debugging and stability purposes.

3. Purpose of Processing

  • User authentication
  • Providing app functionality
  • Riot API integration
  • Improving performance and security

4. Legal Basis (GDPR - Article 6)

  • Art. 6(1)(b) – Performance of a contract
  • Art. 6(1)(f) – Legitimate interest
  • Art. 6(1)(a) – Consent (where applicable)

5. Your GDPR Rights

  • Right of access
  • Right to rectification
  • Right to erasure
  • Right to restriction of processing
  • Right to data portability
  • Right to lodge a complaint

In the Czech Republic, the supervisory authority is ÚOOÚ (Office for Personal Data Protection).

6. Data Deletion

You may request deletion of your data at any time by contacting:

Email: leaguebuddy.app@gmail.com

7. Riot Games Disclaimer

LeagueBuddy is not endorsed by or affiliated with Riot Games. Riot Games and all associated properties are trademarks or registered trademarks of Riot Games, Inc.

8. Academic Disclosure

LeagueBuddy is developed as part of a master's thesis project at the Faculty of Information Technology, Czech Technical University in Prague.

9. Changes to This Policy

This Privacy Policy may be updated periodically. The "Last Updated" date will reflect any changes.