Train your ear, anywhere.

  • pitch
  • intervals
  • chords
  • melody
  • rhythm

10 years of playing, and it's still muscle memory?

Practice

01

Ear training should not be a business.

Open source

All on GitHub, Apache-2.0 — not locked behind a server.

Free

Five drills, nothing to pay. No trial, no annual discount.

No extra fees

No subscription, no unlock fee, nothing charged a level at a time.

02

An account is only here to remember these.

Question sets

One chain per module, level by level.

Daily plan

A daily goal, and a module to drill.

Progress

Each day, the streak, your best run.

Mistake notebook

Wrong answers stay, right ones leave.

Bookmarks

Keep the questions you want again.

Without an account, scores last until you close the page.

03

Bugs and feature requests, straight to me.

me@hypervapor.org

Or open an issue on GitHub.