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Privacy Policy

Last Updated: June 4, 2026 Effective: June 4, 2026

1. Introduction

Dierend ("we," "our," or "us") operates the Dierend mobile application (the "App"), a platform connecting pet owners, pet businesses, and veterinary professionals. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.

By using Dierend, you agree to the collection and use of information in accordance with this policy. If you do not agree, please do not use the App.

2. Information We Collect

2.1 Account Information

When you create an account, we collect:

2.2 Profile Information

You may provide additional information to enhance your profile:

2.3 Location Data

We collect location data only when you explicitly use location-based features:

Location access requires your explicit permission and can be revoked at any time through your device settings.

2.4 Communications Data

2.5 Payment Information

2.6 Pet Health Data and AI Features

When you use AI-powered features, pet images and related information are sent to third-party AI providers for analysis:

AI features provide informational guidance only and are not a substitute for professional veterinary care. See our Terms of Service for the full disclaimer.

2.7 Device and Technical Information

Dierend does not use third-party advertising or cross-app tracking SDKs.

2.8 User-Generated Content

3. How We Use Your Information

PurposeData Used
Provide and maintain the AppAccount, profile, device data
Enable social featuresPosts, comments, follows, stories
Facilitate pet matching and playdatesPet profiles, location (radius-based)
Process payments and ordersPayment info, shipping addresses
Deliver push notificationsPush tokens, notification preferences
Provide AI health assessmentsPet photos, observations
Match found pets to missing-pet reportsPet photos (AI Pet Matcher)
Enable emergency pet reportingLocation, photos, contact info
Facilitate vet bookingsAppointment details, pet records
Operate chat and messagingMessage content (encrypted)
Detect and fix bugsCrash and error diagnostics (Sentry)
Prevent fraud and abuseAccount activity, rate limiting
Comply with legal obligationsAccount data as required by law

4. How We Share Your Information

We do not sell your personal information. We share data only with:

4.1 Service Providers

ServicePurposeData Shared
Firebase (Google)Authentication, database, file storage, cloud functions, push messaging infrastructureAccount data, content, uploaded files
Google & Apple Sign-InOptional social loginEmail address, basic profile
StripePayment processing and business/vet payouts (Stripe Connect)Payment details, billing address, transaction data
Apple App Store / Google PlayIn-app purchase billing and receipt validationPurchase receipts/tokens
Google GeminiAI health analysis (free tier)Pet photos and details (for analysis only)
Anthropic (Claude)AI health analysis (paid tiers)Pet photos and details (for analysis only)
OpenAIAI health analysis (fallback) and AI Pet MatcherPet photos and details (for analysis only)
Google Maps / PlacesMap rendering, address lookupLocation coordinates, search queries
ExpoPush notification deliveryPush tokens
ResendTransactional emailsEmail address, username
SentryCrash and error diagnosticsError reports, device/OS, technical diagnostics

If you use the optional GIF search in the story editor, your search terms are sent to GIPHY. We require these service providers to protect your data and to use it only to provide their services to us.

4.2 Public Information

The following information is visible to other users: username, display name, profile photo, bio, public posts, stories, comments, pet profiles (if your account is public), business profiles, veterinary listings, product listings, and reviews.

4.3 Emergency Reports

Emergency pet reports may be shared with local animal welfare organizations based on your location, and with other app users in the vicinity for missing pet alerts.

4.4 Legal Requirements

We may disclose your information if required by law, court order, or governmental request, or to protect the rights, property, or safety of Dierend, our users, or the public.

5. Data Security

We implement appropriate security measures to protect your data:

While we strive to protect your information, no method of electronic transmission or storage is 100% secure. We cannot guarantee absolute security.

6. Data Retention

Data TypeRetention Period
Account and profile dataUntil you delete your account
Chat messagesUntil you delete your account
Posts and commentsUntil you delete them or your account
Payment transaction historyUp to 7 years (legal/accounting requirements under Belgian law)
Order records (purchases)Retained after account deletion for tax, accounting, and dispute resolution (up to 7 years)
Health scan resultsUntil you delete your account
Emergency / missing-pet reportsRetained for public-safety purposes; may persist after account deletion
Push notification tokensUntil you disable notifications or delete your account
Crash and error diagnosticsUp to 90 days (Sentry)

7. Your Rights and Choices

7.1 Access and Control

7.2 Account Deletion

You can permanently delete your account from Settings > Delete Account in the app, or via our web form at dierend.com/delete-account (which confirms your request by email). Deletion is permanent and cannot be undone. When you delete your account, we:

Some records are retained where we are legally required or permitted to do so: order and purchase records are kept for tax, accounting, and dispute-resolution purposes (up to 7 years), and emergency or missing-pet reports may be retained for public-safety purposes. Subscriptions purchased through the Apple App Store or Google Play must also be cancelled through your store account to stop future billing.

7.3 European Users (GDPR)

If you are in the European Economic Area (EEA), you have additional rights:

To exercise these rights, contact us at info@dierend.com.

7.4 California Users (CCPA)

California residents may request disclosure of personal information collected, request deletion of personal information, and opt out of the sale of personal information. We do not sell personal data.

8. Children's Privacy and Minors

8.1 Minimum Age

You must be at least 13 years old to create a Dierend account. Dierend is not directed to children under 13, and we do not knowingly collect personal data from children under 13. If we become aware that we have collected personal data from a child under 13 without appropriate consent, we will delete it promptly. If you believe a child under 13 has provided us with personal data, please contact us at info@dierend.com.

8.2 Parental or Guardian Consent for Minors

If you indicate during registration that you are under 18 years of age, Dierend requires verifiable parental or guardian consent before your account is activated. The process works as follows:

The date of birth you provide is used to determine whether parental consent is required. Providing false information about your age is a violation of our Terms of Service.

8.3 Parental Controls

Parents or guardians may withdraw consent and request deletion of their child's account at any time by contacting us at info@dierend.com or by using the in-app account deletion feature.

9. International Data Transfers

Your data may be transferred to and processed in countries outside your country of residence, including the United States. Our service providers that may process data outside the European Economic Area include Google (Firebase), Stripe, Expo, OpenAI, Anthropic, and Sentry. These transfers are protected by:

10. Cookies and Tracking

Dierend is a mobile application and does not use advertising cookies or cross-app tracking. The App uses:

We do not use third-party advertising trackers, ad networks, or sell your data to advertisers.

11. Changes to This Policy

We may update this Privacy Policy from time to time. When we make significant changes, we will notify you via in-app notification or email. The "Last Updated" date at the top will be revised. Continued use of the App after changes constitutes acceptance.

12. Contact Us

If you have questions about this Privacy Policy, your data, or wish to exercise your privacy rights:

info@dierend.com

www.dierend.com

Dierend is operated by Hezarfen LLC.

Dierend is committed to protecting your privacy and the well-being of pets everywhere.