Privacy policy

Effective July 23, 2026

The short version

Duplis does not collect, transmit, sell, or share personal data. It has no accounts, advertising, analytics, or third-party tracking.

Camera and photo library

Duplis requests camera access to show the viewfinder and capture photos. It requests photo-library access so you can select a reference image and save new photos. Those images remain on your device and in the photo library you control.

Alignment processing

Alignment guidance is computed on your iPhone using Apple system frameworks. Reference images and live camera frames are not uploaded to a Duplis server.

Settings

Duplis stores limited preferences, such as whether onboarding has been completed, in Apple’s local UserDefaults storage. These preferences are not associated with an account or sent off device.

Children

Because Duplis does not collect personal data, it does not knowingly collect personal information from children.

Changes and contact

If this policy changes, the updated version and effective date will appear on this page. Questions can be sent to james@ackl.in.