Support Twofold

Twofold is free, with no ads, accounts or tracking. If you'd like, you can chip in to support its development.

Donations are optional and never unlock features. They are handled by a third-party site, which never sees your DNA file or report.

Other ways to help

  • Share it

    Star or share Twofold on GitHub so more people can find it.

  • Report a bug

    Found a problem or have an idea? Open an issue on GitHub.

  • Tell a friend

    Know someone with a DNA test who never looked past the company's own report? Send them here.

  • Improve SNPedia

    Every finding comes from SNPedia, a community wiki anyone can contribute to.