Depthline has no accounts — no name, email, or password. We store only what's needed to make the app work:

That's it. We don't build profiles from what you write.

No tracking pixels, no advertising, no selling of data. No read receipts, no typing indicators. We never ask for or store your real identity.

The one automated content check we run is on public messages thrown into the ether — to screen for spam and harmful content before they appear. Private conversations between two people are not scanned.

To limit spam and abuse, we count how many messages are thrown — and how many session-restore attempts are made — from each IP address per day. These counts reset daily, aren't linked to your random ID, and aren't kept beyond the current day.

Depthline runs on Cloudflare, and its database is Cloudflare D1. Cloudflare's own network infrastructure may log technical request metadata — such as IP addresses and timestamps — at the network level, outside Depthline's direct control. See Cloudflare's privacy policy for details.

If you turn on push notifications, your browser's push subscription is stored so we can notify you. You can turn notifications off anytime from your inbox.

Clearing your browser storage erases your local identity, and you start fresh as a new, unconnected person. Messages in the ether expire after 7 days if no one responds.

Questions? Reach us via the contact page. See also our Terms of Use.