Welshman Design

Duo Stretch Privacy Policy

Last updated: October 20, 2026

Duo Stretch is an iPhone app with a Safari extension that lets web pages use the full width of iPhone Duo's outer display. This policy explains what the app and extension do with your information. In short: nothing leaves your iPhone.

What we collect

Nothing. Duo Stretch has no account, no analytics, no advertising and no tracking. Neither the app nor the extension makes any network requests, and they contain no third-party code that does.

What the Safari extension does with web pages

To work, the extension asks Safari for permission to read and change the web pages you visit. It uses that permission only to adjust how each page is laid out: it changes the page's viewport setting so the page spans the screen, and adds right-hand padding to headers and bars that stick to the edge of the screen. It doesn't read, store or send the content of any page, what you type, or which sites you visit.

What is stored on your iPhone

• Your Wide/Off choice, kept by Safari in the extension's local storage.
• Whether your free trial or unlock is active, and when the trial started. The app shares this with its extension through an App Group container on your device.

Deleting the app removes both.

Purchases

The free trial and the one-time unlock are handled entirely by Apple through the App Store. We never see your payment details or Apple Account. Apple's handling of that information is covered by Apple's privacy policy.

Children

Duo Stretch collects no information from anyone, including children.

Changes

If this policy changes, the new version will be posted on this page with a new date.

Contact

Questions about privacy: support@welshmandesign.com