Effective date: October 14, 2026
This privacy policy explains how the Chartmark app for Android ("the app") handles information. The app is published under the developer name Runwith.
Who we are
The app is operated by AUTO ACE, LIMITED LIABILITY COMPANY.
Address: 2-672-1 Sakashita-cho, Kasugai-shi, Aichi 480-0305, Japan
Contact: support@runwith-ai.com
Website: https://runwith-ai.com
Summary
The app does not require an account and does not collect personal information. It has no ads and no analytics, and it does not use the internet at all.
Information stored only on your device
・the charts you open (the grid, symbols and thread list read from your PDF)
・the stitches you marked and the place you were looking at
This information is stored only on your device. It is never sent to us or to anyone else. It is deleted when you uninstall the app or when you delete a chart in the app.
The PDF files you open
The app reads the PDF you choose on your device. The file is not uploaded anywhere. The app has no sharing feature.
Purchase
The app is sold through Google Play. The payment is handled by Google; we do not receive your payment details.
If you email us
The app has a contact link that opens your own email app. If you choose to send us an email, we receive your email address and whatever you write. We use it only to reply to you and to improve the app, and we do not share it with anyone.
Sharing of information
We do not sell or share personal information, because the app does not collect any.
Children
The app is not directed at children under 13.
Changes
If this policy changes, the new version will be posted on this page with a new effective date.