Privacy Policy

Last updated: November 4, 2026

What data we collect

Microphone audio is processed locally in your browser and is never sent to our servers.
There are no accounts. If you join the waitlist, we store your email address, the page you joined from, and any answers you give to the optional questions.
To limit repeated sign-ups, we keep a salted one-way hash of your IP address.
Session data (your chords, progression, and selected key) is stored only in your browser's localStorage.
If you arrive through a link with campaign tags, such as one we post on a forum, your browser keeps those tags for 90 days. They're sent to us only if you join the waitlist, so we know which link brought you.

We use this data only to make the app work.

We use waitlist data to confirm your email, tell you when lessons ship, and decide what to build.

Every email after the confirmation has an unsubscribe link at the bottom. Using it stops all of them.

Vercel Analytics: anonymous, aggregate usage data only.
Sentry: error reports, with no personal data.
Supabase: stores the waitlist.
Resend: sends waitlist email, and keeps the list of confirmed addresses that build updates go to.

The microphone is used only while the listening feature is active. Audio is never recorded or transmitted.

Questions about this policy? Contact us at hi@prannoy.com.

To be removed from the waitlist, email hi@prannoy.com and we'll delete your record.