Privacy Policy
Last updated: February 10, 2026
Luzardo ("we", "our", or "the app") is a cattle management and weight estimation application. This Privacy Policy describes how we collect, use, and protect your information when you use our mobile application.
Information We Collect
Account Information
- Email address and name (provided during sign-up or via Google/Apple sign-in)
- Authentication data managed by our identity provider (Clerk)
Ranch and Cattle Data
- Ranch name, country, and state/province
- Cattle records including names, breeds, birth dates, gender, and notes
- Weight measurements and estimation history
Photos and Images
- Photos of cattle that you take or select for weight estimation
- Photos are first processed on your device for an instant weight estimate
- When you have an internet connection, photos are uploaded to our servers for a more accurate server-side prediction
- Uploaded photos may be retained and used to train and improve our AI weight estimation models. Photos used for training are de-identified and not linked to your personal account. By using the weight estimation feature, you consent to this use. If you do not wish for your photos to be used for model training, please contact us at the email below to opt out.
Usage Data
- App usage analytics (screens viewed, features used) collected via Amplitude
- Error and performance data to improve app reliability
How We Use Your Information
| Data | Purpose | Legal Basis (GDPR) |
|---|---|---|
| Account info (email, name) | Account creation, authentication, communication | Contract performance |
| Ranch and cattle data | Providing the herd management service | Contract performance |
| Photos | Weight estimation (core service) | Contract performance |
| Photos (retained) | Training and improving AI weight estimation models | Legitimate interest |
| Usage analytics | Improving app experience and reliability | Legitimate interest |
Data Storage and Security
Your data is stored locally on your device and synced to our secure servers. All data in transit is encrypted using TLS. Authentication is managed by Clerk, a SOC 2 Type II certified identity provider. We do not sell your personal information to third parties.
Data Locations
- United States — Primary infrastructure for US-based users (hosted on Railway, US region)
- European Union — EU infrastructure for EU-based users (hosted on Railway, Amsterdam region)
We route your data to the region closest to you based on your ranch location. If you are in the EU/EEA, your data is processed and stored within the EU unless you explicitly consent otherwise.
Offline Functionality
Luzardo is designed to work offline. Your cattle records, weight data, and estimation results are stored locally on your device and synchronized with our servers when an internet connection is available.
Third-Party Services
We use the following third-party services, each with their own privacy policies:
- Clerk — Authentication and user management (SOC 2 Type II certified)
- Amplitude — App usage analytics
- Google Sign-In / Apple Sign-In — Optional authentication methods
- Railway — Cloud infrastructure and data hosting
- Amazon S3 — Photo and image storage
Data Retention
- Account and ranch data — Retained for as long as your account is active. Deleted within 30 days of account deletion request.
- Cattle and weight records — Retained for as long as your account is active.
- Photos — Photos used for weight estimation are retained on our servers. De-identified copies may be retained indefinitely for model training purposes, even after account deletion.
- Usage analytics — Retained for up to 24 months, then automatically deleted.
Your Rights
Depending on your location, you may have the following rights regarding your personal data:
- Access — Request a copy of the personal data we hold about you
- Rectification — Request correction of inaccurate data
- Erasure — Request deletion of your account and associated data
- Data portability — Request an export of your data in a machine-readable format
- Objection — Object to processing based on legitimate interest, including the use of your photos for model training
- Restriction — Request that we limit how we process your data
- Withdraw consent — Where processing is based on consent, you may withdraw it at any time
To exercise any of these rights, contact us at the email address below. We will respond within 30 days (or sooner where required by law).
For EU/EEA Residents (GDPR)
If you are located in the European Economic Area, you have additional rights under the General Data Protection Regulation (GDPR). Our legal bases for processing your data are described in the table above. You have the right to lodge a complaint with your local data protection authority if you believe your rights have been violated.
For California Residents (CCPA)
If you are a California resident, you have the right to know what personal information we collect, request its deletion, and opt out of its sale. We do not sell personal information. To exercise your rights, contact us at the email below.
Children's Privacy
Luzardo is not directed at children under the age of 16. We do not knowingly collect personal information from children under 16. If you believe a child has provided us with personal data, please contact us to have it removed.
Changes to This Policy
We may update this Privacy Policy from time to time. If we make material changes, we will notify you via the app or by email. Changes will be posted on this page with an updated revision date.
Contact Us
If you have questions about this Privacy Policy, your data, or wish to exercise your rights, contact us at:
Email: info@luzardo.tech