Privacy Policy
Last updated: February 23, 2026
1. Introduction
Nuklex ("we", "our", or "us") operates the Nuklex web application and mobile application (collectively, the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.
By using the Service, you agree to the collection and use of information in accordance with this policy. If you do not agree with the terms of this Privacy Policy, please do not use the Service.
2. Information We Collect
2.1 Account Information
When you register for an account, we collect your name, email address, and date of birth. If you sign in with Google, we receive your basic profile information from Google.
2.2 Health and Fitness Data
To provide our fitness tracking service, we collect health and fitness data you enter, including:
- Body measurements (weight, height, body composition)
- Workout data (exercises, sets, repetitions, performance metrics)
- Training plans and programs
- Progress photos (if you choose to upload them)
- Heart rate data (resting and maximum BPM)
2.3 Location Data
With your permission, we may collect your location when you log a workout. This is used to tag workouts with their location and is never shared with third parties.
2.4 Device and Usage Data
We automatically collect certain information when you use the Service, including your device type, operating system, browser type, IP address, and usage patterns through analytics tools.
3. How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve the Service
- Create and manage your account
- Track and display your fitness progress
- Enable personal trainers to manage their clients (with your consent)
- Process payments for subscription services
- Send you push notifications about your training (with your consent)
- Analyze usage to improve our Service
- Respond to your requests and support inquiries
4. Third-Party Services
We use the following third-party services:
- Google Firebase: Authentication, push notifications, and hosting
- Google Analytics: Usage analytics and insights
- Google reCAPTCHA: Spam and abuse prevention
Each third-party service has its own privacy policy governing the use of your information. We encourage you to review their privacy policies.
5. Data Retention
We retain your personal data for as long as your account is active or as needed to provide you the Service. If you delete your account, we will delete your personal data within 30 days, except where we are required to retain it by law.
6. Data Security
We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. However, no method of electronic transmission or storage is 100% secure, and we cannot guarantee absolute security.
7. Your Rights
Depending on your jurisdiction, you may have the following rights regarding your personal data:
- Access: Request a copy of your personal data
- Correction: Request correction of inaccurate data
- Deletion: Request deletion of your personal data
- Portability: Request a machine-readable copy of your data
- Objection: Object to processing of your data
- Withdrawal of consent: Withdraw consent at any time where processing is based on consent
To exercise any of these rights, please contact us at the email address below.
8. Children's Privacy
The Service is not intended for users under the age of 16. We do not knowingly collect personal data from children under 16. If we become aware that we have collected data from a child under 16, we will take steps to delete such data.
9. Changes to This Policy
We may update this 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. Your continued use of the Service after any changes constitutes your acceptance of the new Privacy Policy.
10. Contact Us
If you have any questions about this Privacy Policy, please contact us at:
Email: support@nuklex.com