Privacy Policy

Lumen is an iOS application that transforms your images using artificial intelligence, allowing you to redraw your photos in various styles. Your privacy is important to us, and this Privacy Policy outlines our practices regarding the collection, use, and sharing of your information.

Information We Collect and Its Use

Analytics Information
  • Collection: As you use our app, Firebase Analytics collects data on your interactions, such as the features used and time spent in the app.
  • Purpose: This data helps us understand user behavior, allowing us to improve app functionality, design, and the overall user experience.

Image Data
  • Collection: You directly provide images for transformation through our app interface.
  • Purpose: We process these images to deliver our core services, which include transforming them into different artistic styles using AI.

Data Sharing and Third-Party Engagements

OpenAI Collaboration
  • Nature of Sharing: Images you submit are shared with OpenAI for processing and transformation.
  • Protection Measures: OpenAI's commitment, as per their privacy policy, ensures that your images are neither stored nor utilized for model training purposes.
  • Third-party Privacy Policy: https://privacy.openai.com/policies

Google Cloud Services
  • Engagement: We use Google Cloud services for storing images, relying on Google's robust security and privacy standards.
  • Data Handling: No personal data or images are shared with third parties other than for the specified processing purposes.
  • Third-party Privacy Policy: https://policies.google.com/privacy

Personal data will not be disclosed for any reason other than those stated above, unless such disclosure is deemed necessary for the fulfillment of a legal obligation or if we request your consent.

Data Security and Integrity

Personal data and images may be processed using both automated and manual methods and may be stored on our premises as well as on servers of our service providers. We have implemented technical and organizational measures to safeguard your personal data from loss, misuse, and unauthorized access. In certain cases, we may also utilize data encryption and pseudonymization techniques. However, please be aware that Internet transmissions are not completely secure, so it is advisable to refrain from providing any personal data if you want to avoid potential risks.


In accordance with the principles of data minimization and storage limitation, any images you upload will be deleted from our servers after 24 hours from the time of upload. Transformed images will be deleted after 24 hours as well.

Children's Privacy

Our services are not meant to be used by individuals under the age of 13. We do not knowingly collect data from minors. If we become aware of such collection, immediate steps will be taken to remove the data from our servers.

Policy Modifications and Updates

We may modify or update this Privacy Policy. If we make modifications, we'll notify you by revising the date at the bottom of this privacy policy and, under certain circumstances, we may also notify you by additional means (such as via email or in-app notification).

Exercising Your Rights

You possess rights under the GDPR, including data access, rectification, erasure, and the right to object to data processing. For any requests or concerns regarding your data, please contact us using the provided contact details.

Contact Information

For further inquiries or to exercise your data rights, please reach out to us at support@lumenpics.com.

Last update: 17 July 2025