Privacy Policy

Effective date: February 27, 2026

GutCue is a personal logging tool for food and symptom tracking. It does not provide medical diagnosis, treatment, or medical advice.

1. Controller

Marco Arzt
c/o Postflex #10567
Emsdettener Str. 10
48268 Greven
Germany
Email: calf_zero_7s@icloud.com

2. Data categories

3. Storage

Data is stored locally on your device by default. If sync is enabled, data may also be stored in your private iCloud account area.

4. Recipients / service providers

Where technically required, Apple services are used (for example iCloud/CloudKit). Data is only shared beyond that where legally required.

5. Legal basis

Processing is based on contract performance for app functionality and, where applicable, consent for optional features.

6. Retention

Data remains available until you delete it in the app or remove the app.

7. Your rights

Depending on applicable law, you may have rights to access, rectification, deletion, restriction, and portability.

8. Privacy contact

calf_zero_7s@icloud.com