[ Privacy Policy ]
Privacy Policy & Terms of Use — Gronex
Last updated: October 2025
1. Introduction
This Privacy Policy and Terms of Use were prepared by Gronex Tecnologia Informática LTDA (CNPJ 61.297.970/0001-95), a company headquartered in São Paulo, SP, operating under the trade name Gronex. Gronex is a holding company for digital products and a software development consultancy, responsible for its own solutions — such as the TENNISZONE app — as well as projects developed for third parties. This document clearly describes how we collect, use, store, and protect personal data in accordance with Brazil's General Data Protection Law (Law No. 13.709/2018 – LGPD). If you have any questions, data subjects may contact us via email at contato@gronex.com.br.
2. Scope
This policy applies to the corporate website (gronex.com.br) and the digital products developed by Gronex. Note: Some products under Gronex (e.g., TENNISZONE) have additional policies that provide detailed information on the specific handling of data for each service.
3. Data Collected
The types of data that may be collected by Gronex products include, among others, authentication data: name, email, password (stored securely), geolocation data when necessary for the service to function (e.g., TENNISZONE), usage data and preferences within the application, technical data: device type, operating system, IP address, cookies, and logs.
4. Purpose of Data Processing
The data is used for: Enabling user registration and authentication, delivering location-dependent features, enhancing user experience, personalizing content, and improving products, ensuring security, preventing fraud, and complying with legal obligations.
5. Legal Basis
The processing of personal data will be carried out based on the hypotheses provided in the LGPD, such as the execution of a contract, consent when necessary, compliance with a legal or regulatory obligation, and legitimate interest, always respecting the rights of the data subjects.
6. Sharing
Gronex does not sell personal data. Data sharing may occur with: Service providers (hosting, analytics, payment processing) operating under contract and with security obligations, competent authorities, when required by law and partner companies strictly for executing functionalities requested by the user.
7. Security and Storage
We implement technical and administrative measures to protect personal data. Data may be stored on cloud providers that adopt recognized security practices. When international transfer occurs, applicable legal safeguards will be observed.
8. Data Subject Rights
Users have the rights established by the LGPD, including: confirmation and access to their data, correction, anonymization, blocking, or deletion, data portability and withdrawal of consent, requests can be sent to contato@gronex.com.br.
9. Cookies
The website may use cookies and similar technologies for functional, analytical, and personalization purposes. Users can manage their cookie preferences via their browser.
10. Policy Updates
This Policy may be updated periodically. The current version will be available at /privacy.