A woman with red curls smiles at home with a French horn in her lap

Play the horn. Feel the joy of playing.

Your first song in 10 minutes. On your own horn.

Get started 7 days free · iOS & Android

Over 1 million
downloads

Finally know if it's right.

In songs and the weekly challenge, right notes turn green. Missed one? Play it again.

A man with glasses holds his French horn while a tablet on a stand shows his lesson

9:41

Ode to Joy

Learn horn, at your own pace.

For the horn, tonestro has songs with backing music and a theory course, not a full step-by-step course.

Songs with backing music Play along and see right away how it went.
Theory course Learn to read music and understand rhythm.
Weekly challenge Play the same song as musicians around the world.

It's never too late to play again.

Played in a band years ago? Take your horn out again and play along with songs.
Want to read music better? The theory course explains it step by step.

A man in his sixties with a gray beard and glasses smiles, holding his French horn

Play the horn as an adult

Many adults played the horn in a school or community band and want to play again. tonestro gives you songs with backing music and feedback as you play, so practicing at home feels like playing with others.

The theory course helps you read music and keep a steady rhythm. Play a few songs on most days and let your lips rest in between.

What you need

Your own French horn
An iPhone, iPad or Android phone with an internet connection
A few minutes on most days

Not just horn. The whole family.

One plan for up to six people. Everyone picks their own instrument.

See the Family Plan

A teenage girl plays the French horn while her father smiles beside her at a music stand

Questions about playing the horn

Is there a full horn course?

No. For the horn, tonestro has songs with backing music and a theory course, not a full step-by-step course.

How does tonestro hear my horn?

Through the microphone of your phone or tablet. In songs and in the weekly challenge, tonestro checks your notes and your rhythm.

Can I practice with a silent brass system?

No. tonestro needs the real sound of your horn. Silent brass systems, practice mutes with headphones and external microphones are not supported.

Which devices can I use?

Horn lessons run on iPhone and iPad (iOS 15 or newer) and on Android phones (Android 8 or newer, at least 4 GB of memory). tonestro needs an internet connection.

What does it cost?

You can try tonestro free for 7 days with the yearly plan. The app shows you the price before you buy. If you cancel at least 24 hours before the trial ends, you won’t be charged. You can cancel in the app under Profile → Settings → Manage Subscription.