Web + Android

SECOND BRAIN NOTES

Cloud notes, simplified. Capture ideas and organize everything across your devices.

Second Brain Notes on two phones: a folder and note list on the left, an open devlog note on the right
Your ideas, wherever you are

Keep your thoughts close.

A focused place to write things down — quick notes, devlogs, prompts, and long-form ideas — with folders, tags, and cloud backups so nothing gets lost between devices.

Open web app Get Android app
Features
Capture quickly
Save ideas, reminders, and notes in a focused workspace built for everyday use.
Folders and tags
Group notes into folders, colour them, and tag them so the right thing is one tap away.
Cloud backups
Your notes are saved to your account, so your ideas are there when you switch devices.
Listen to notes
Play a note back out loud, section by section, with word and spoken-length counts as you write.
Screenshots
Second Brain Notes on Android — folder list and an open note
Android — folders, note list, and the note editor
Coming soon

Desktop and web screenshots are on the way. Until then, the web app is live and runs in any browser.

About

Second Brain Notes gives you a focused place to write down ideas and return to them later. Start in the browser or use the Android app, then keep your notes available wherever you work.

Cloud backups help keep your thoughts safe across devices. Open the app online to get started, or install the Android version from Google Play.

Choose your experience

Use Second Brain Notes

Open the web app instantly or install the Android app from Google Play.

Any device
Web App
Available now Open web app
Android
Google Play
Available now Get Android app
Built by Astral Studios

Second Brain Notes is a software project from Astral Studios. Have feedback or found a bug? Get in touch.