National Machine
Bellbird · macOS + iOS

Find your pitch.
Keep your rhythm.

A tuner, metronome, and chord library for guitar, ukulele, and 5-string banjo. Everything you need to get ready, find the shape, and keep playing.

Download for macOS (.dmg) Get it on the App Store

Download the macOS DMG directly here, or get Bellbird for iPhone and iPad on the App Store.

Mac & iPad Mac: free download · iPad: on the App Store

Bellbird on Mac showing E4 with automatic string selection and flat pitch feedback.

iPhone On the App Store

Bellbird tuner on iPhone showing A2 in tune with automatic string detection.

Mac & iPad Mac: free download · iPad: on the App Store

Bellbird metronome on Mac at 82 BPM with rhythm controls.

iPhone On the App Store

Bellbird metronome on iPhone with tempo, beat indicators, and playback controls.

Mac & iPad Mac: free download · iPad: on the App Store

Bellbird chord library on Mac showing a C chord for banjo with numbered fingerings.

iPhone On the App Store

Bellbird chord library on iPhone showing an open G chord and chord selection controls.
Inside Bellbird

Ready for your next song.

At your desk or in your pocket. Explore Bellbird on Mac and iPhone.

Tune Up

See the note, the string, and how far your pitch is sharp or flat. Let Bellbird follow the string automatically, or choose one yourself.

Keep Time

Tap in a tempo or dial it in. Choose your beats, note value, and subdivisions, with an optional accent on the first beat.

Sound Great

Choose a root, quality, and bass note. Browse fingerings and alternative shapes, and pin your favorite chord qualities for quick access.

A little less setup.
A little more playing.

For your Mac

Bellbird for macOS

Download the DMG directly from this site, open it, and drag Bellbird to Applications.

Download for macOS (.dmg)
For your iPhone and iPad

Bellbird for iOS

Your practice companion, wherever you play.

Get it on the App Store

macOS is a direct DMG download. The iOS version for iPhone and iPad is on the App Store.