Your thoughts.
Your device.
A private journal and messaging app that never asks who you are. No account required. Works 100% offline. Nobody reads what you write.
Download Free Learn moreEverything a journal should be
Built for people who write to think, not to share.
No Account Required
Start writing immediately. No email, no sign-up, no profile. Your journal belongs to you.
100% Offline
Every feature works without an internet connection. Your data never leaves your device.
On-Device Only
Your notes stay on your phone or computer. No cloud sync, no server, no third party.
Encrypted Export
Export your entire journal encrypted, to any location you choose. You control your data forever.
LAN Sync
Sync between your own devices over local network. Not a server — just your devices talking to each other.
Markdown & Rich
Full markdown support with task lists, math, code blocks, and inline images. Write the way you think.
See it in action
Screenshots coming soon. Here's a preview of the layout.
Get EchoChamber
Free to download. Your journal, your rules.