Legal

Privacy Policy

Last updated: May 22, 2026

Luntrack ("we," "us," or "our") operates the Luntrack fitness and nutrition tracking application. This Privacy Policy explains how we collect, use, and protect your personal information when you use our service at luntrack.com.

By using Luntrack, you agree to the collection and use of information in accordance with this policy.

Information We Collect

Account information: When you register, we collect your username, email address, and password (stored as a secure hash).

Profile and health data: To provide personalized recommendations, we collect data you enter including age, gender, weight, height, fitness goals, activity level, and training experience.

Usage data: We collect information about how you interact with the app — workouts logged, meals tracked, AI chat messages, and session activity.

Payment data: Subscriptions are processed by Stripe, Inc. We do not store your full card number or payment credentials. Stripe may store billing details per their own privacy policy.

Technical data: We automatically collect your IP address, browser type, device type, and approximate location (country level) for security and analytics.

How We Use Your Information

To provide, personalize, and improve the Luntrack service
To calculate macros, TDEE, and generate AI-powered fitness recommendations
To process payments and manage your subscription
To send transactional emails (account verification, password reset, receipts)
To detect and prevent fraud, abuse, or security incidents
To comply with legal obligations

We do not sell your personal data to third parties. We do not use your data for advertising.

Data Sharing

We share your data only with trusted service providers necessary to operate Luntrack:

Stripe — payment processing (stripe.com/privacy)
Google — optional Google Sign-In authentication (policies.google.com/privacy)
Groq, Claude AI (Anthropic), Authopia AI — processing AI chat and nutrition analysis requests (messages may be transmitted to these APIs; we do not use them for model training)
Hosting provider — cloud infrastructure to run the application

We may also disclose data if required by law or to protect the rights and safety of users or the public.

Cookies and Local Storage

Luntrack uses:

Session cookies — to keep you logged in (HTTP-only, secure)
Browser local storage — to store your display preferences (language, units, cached data) on your device

We do not use tracking cookies or third-party advertising cookies.

Data Retention

We retain your account and health data for as long as your account is active. If you delete your account, we delete your personal data within 30 days, except where we are required to retain it by law (e.g., payment records for tax purposes, typically 7 years).

Your Rights

Depending on your location, you may have the following rights regarding your personal data:

Access — request a copy of the data we hold about you
Correction — update inaccurate data (available in Settings)
Deletion — request deletion of your account and data
Data portability — request your data in a portable format
Opt-out — unsubscribe from marketing communications at any time

EU/EEA users (GDPR): If you are located in the European Union or European Economic Area, you have additional rights under the General Data Protection Regulation. The legal basis for processing your data is the performance of our contract with you and our legitimate business interests. You may lodge a complaint with your local supervisory authority.

To exercise any of these rights, contact us at privacy@luntrack.com.

Children's Privacy

Luntrack is not intended for users under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us and we will delete it promptly.

Security

We use industry-standard security measures including HTTPS encryption, HTTP-only secure cookies, bcrypt password hashing, and access controls. However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security of your data.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page with an updated date. Continued use of Luntrack after changes constitutes acceptance of the new policy.

Contact Us

If you have any questions about this Privacy Policy, please contact us:

Email: privacy@luntrack.com

Website: luntrack.com