If you need help with TrailMark, have feedback, or want to report an issue, please contact:
When contacting support, you may include your device model, iOS version, app version, screenshots, and a short description of the issue.
TrailMark does not require an account. Saved TrailMarks, photos, notes, and retrace paths are stored locally on your device.
For privacy details, please see the TrailMark Privacy Policy.