Privacy Policy

Last updated: January 2, 2026

Introduction

Handdy (“we”, “our”, or “us”) is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application Handdy (the “App”) available on iOS and Android platforms. Please read this Privacy Policy carefully. If you do not agree with the terms of this Privacy Policy, please do not access the App.

Information We Collect

Information You Provide to Us

When you create an account and use the App, we collect the following information:

Account Information: Email (required), first name, last name, username and avatar image
Hand Images: Images of hands that you upload to the App
Hand Classification Data: Your identification of whether uploaded hand images are left or right hands
Game Preferences: Your daily goal settings for gameplay

Information Automatically Collected

When you use the App, we automatically collect:

Game Performance Data: Scores, correct answers, play time, and timestamps of your gameplay sessions
Device Information: Device type, operating system version, and other technical information necessary for the App to function
Usage Data: Information about how you interact with the App

User-Generated Content

The App allows you to upload hand images and view hand images uploaded by other users. These images are stored and shared within the App as part of its core functionality.

How We Use Your Information

We use the information we collect to:

Provide Core Services: Enable the hand recognition game functionality, store and display hand images, and track your game progress
Improve the App: Analyze usage patterns and game performance to enhance user experience and app functionality
Support Medical and Therapeutic Use Cases: The App is designed to assist with hand movement recovery and therapeutic exercises
Moderate Content: Process and resolve user reports regarding inappropriate content
Maintain Account Security: Authenticate users and maintain the security of your account

Data Storage and Location

All information collected through the App is stored on servers located in the European Union (EU). By using the App, you acknowledge that your data will be processed and stored in the EU.

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

Public Content: Hand images you upload may be visible to other users of the App as part of the core functionality
Legal Requirements: We may disclose your information if required to do so by law or in response to valid requests by public authorities
Service Providers: We may share data with third-party service providers who perform services on our behalf (such as hosting, data storage, and analytics), subject to appropriate confidentiality obligations

Data Retention

We retain your personal information for as long as your account is active or as needed to provide you with the App’s services. Hand images may be retained even after account deletion if they are associated with other users’ game sessions. You may request deletion of your data at any time by contacting us at the email address provided below.

As we process and store your data in the EU, you have the following rights under the General Data Protection Regulation (GDPR):

Right to Access: You have the right to request copies of your personal data
Right to Rectification: You have the right to request that we correct any information you believe is inaccurate or complete information you believe is incomplete
Right to Erasure: You have the right to request that we erase your personal data, under certain conditions
Right to Restrict Processing: You have the right to request that we restrict the processing of your personal data, under certain conditions
Right to Object to Processing: You have the right to object to our processing of your personal data, under certain conditions
Right to Data Portability: You have the right to request that we transfer the data that we have collected to another organization, or directly to you, under certain conditions

To exercise these rights, please contact us using the contact information provided below.

Children’s Privacy

The App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

Security

We implement appropriate technical and organizational security measures to protect your personal information. However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the “Last updated” date. You are advised to review this Privacy Policy periodically for any changes.

Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us:

Developer: Jorge Teixeira Crespo
Email: handdy@teixe.es

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