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About tonestro. The music school that listens.

We build a music school in an app: you play your own instrument, tonestro listens to every note and tells you right away what to practice again.

Why we built tonestro

Practicing alone is hard when you never know whether it was right. Music lessons need time, money and a teacher nearby. tonestro started in 2017 as a side project of musicians who wanted a way to learn that fits into everyday life and still feels like someone is listening. The app went live in 2020.

Our goal: everyone who picks up an instrument should be able to learn with tonestro and keep playing for life.

What tonestro does

tonestro listens through the microphone of your phone or tablet while you play. It checks your notes and your rhythm in real time: green means right, red shows a note that was off. Two music teachers in our team make all courses and songs in-house, step by step, with real songs from the first lesson.

You can learn piano, violin, saxophone, cello, guitar, trumpet, flute, clarinet, trombone, recorder, horn, euphonium and tuba. For horn, euphonium and tuba, tonestro has songs and a theory course. With the Family Plan, up to six people learn with one subscription.

Made in Austria

We are six people in one office in Upper Austria: four founders and two music teachers. tonestro is developed by fun.music IT GmbH.

The founders

  • Christoph Huber Christoph Huber Founder & CEO
  • Alexander Kogler Alexander Kogler Founder & CPO
  • Christian Kapplmüller Christian Kapplmüller Founder & CTO
  • Heinrich Huber Heinrich Huber Founder & CFO

Contact

Questions about the app: our help center or support@tonestro.com. Everything else: office@tonestro.com. Want to work with us? See jobs. Company details are in the imprint.

Your first song in ten minutes

Scan the code with your phone’s camera to get the app.

Download tonestro on the App Store Get tonestro on Google Play

7 days free