Privacy Policy

Last updated: February 2026

This Privacy Policy explains how Kasayo e.K. ("modelalert.ai", "we", "us", or "our") collects, uses, and protects your personal data when you use our service at modelalert.ai.

1. Data Controller

The data controller responsible for your personal data is:

Kasayo e.K.
Nymphenburger Strasse 96
80636 Munich, Germany

Email: hello@modelalert.ai

2. Data We Collect

2.1 Subscription Data

When you subscribe, we collect:

  • Email address
  • Notification preferences (selected providers, model types)

2.2 Usage Data

We automatically collect:

  • Subscription date
  • Notification delivery status
  • Preference update history

4. How We Use Your Data

We use your personal data exclusively to:

  • Send release alert emails matching your selected preferences
  • Allow you to manage your notification preferences
  • Process unsubscribe requests
  • Monitor email delivery reliability

We do not sell, rent, or share your personal information with third parties for marketing purposes.

5. Cookies

We use minimal cookies:

Essential Cookies Only

Required for the service to function. Cannot be disabled.

  • Theme preference (dark/light mode)

We do not use advertising cookies, analytics cookies, or third-party trackers.

6. Data Sharing & Subprocessors

We share your data with the following service providers who process data on our behalf:

ProviderPurposeLocation
Hetzner / CoolifyApp and database hostingEU (Germany)
Plunk / AWS SESEmail deliveryEU / US

All subprocessors are contractually bound to protect your data and only process it as instructed by us.

7. International Data Transfers

We primarily store and process your data within the European Union.

When we transfer data outside the EU (e.g. for email delivery), we ensure adequate protection through Standard Contractual Clauses (SCCs) approved by the European Commission and appropriate technical safeguards.

8. Data Retention

We retain your data for as long as necessary to provide our services:

  • Subscription data: Until you unsubscribe, then marked inactive. Full deletion on request.
  • Delivery logs: 90 days, then deleted.
  • Server logs: 90 days, then anonymized or deleted.

9. Your Rights (GDPR)

Under GDPR, you have the following rights regarding your personal data:

  • Access: Request a copy of your personal data.
  • Rectification: Request correction of inaccurate data.
  • Erasure: Request deletion of your data ("right to be forgotten").
  • Restriction: Request we limit how we process your data.
  • Portability: Receive your data in a machine-readable format.
  • Object: Object to processing based on legitimate interests.
  • Withdraw consent: Unsubscribe at any time via the link in any email.

To exercise these rights, contact us at hello@modelalert.ai. We will respond within 30 days.

You also have the right to lodge a complaint with your local data protection authority. In Germany, this is the Bayerisches Landesamt fur Datenschutzaufsicht (BayLDA).

10. Security

We implement appropriate technical and organizational measures to protect your data:

  • Encryption of data in transit (TLS/HTTPS)
  • Encryption of data at rest
  • Token-based authentication for preference and unsubscribe links
  • Regular security updates and monitoring

11. Children's Privacy

Our service is not intended for users under 16 years of age. We do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us immediately so we can delete it.

12. Changes to This Policy

We may update this Privacy Policy periodically. We will notify subscribers of significant changes by email. The "Last updated" date at the top indicates when the policy was last revised.

13. Contact Us

For questions about this Privacy Policy or to exercise your data rights, contact us:

Kasayo e.K.
Nymphenburger Strasse 96
80636 Munich, Germany

Email: hello@modelalert.ai