Private testing

Get access

CopperHound is currently invite-only. Enter the 6-character access code you were given to download the app. Codes are case-sensitive.

New to opening the app? A short illustrated guide shows how to open the downloaded file in your browser — on iPhone, Android, or computer.

Opening guide (PDF)

Don't have a code? Request one here. The app is a single file that runs in your browser — once downloaded, open it on your phone or computer and it works offline.

By downloading, you agree to the terms on the About & License page. CopperHound is free software under the GNU General Public License v3.0 and is provided “as is,” without warranty and at your own risk.