Contact us

Hafnium HN is made by Hafnium Research. For questions, problems, feedback or anything else about the app, email us:

Email: info@hafnium.ltd
Developer: Hafnium Research
Website: https://hn.hafnium.ltd

We read every message and usually reply within a few days. Please include your phone model and what you were doing when something went wrong.

Hafnium HN shows stories and comments from Hacker News. To report a story or comment, use Report… in the app (long-press it), which lets you flag it on Hacker News, email Hacker News’s moderators at hn@ycombinator.com, or report it to us. Hafnium HN is independent and not affiliated with Y Combinator or Hacker News.

Answers to common questions are on the support page; how the app handles data is in the privacy policy.