Musician-built tools

Less setup. More music.

Cross Harp is a growing family of focused tools for musicians—built to answer the practical questions that stand between picking up an instrument and playing it.

The collection

A dark metal harmonica surrounded by glowing orange sound waves

01 / Harmonica

Cross Harp

Choose the right harp, understand positions and scales, find every playable note, and tune in the context of the instrument in your hand.

Side-load Android APK

A precision guitar headstock surrounded by warm amber sound waves

02 / Guitar

Gig Tuner

A precision guitar tuner for iPhone, iPad and Apple Watch—built around alternate tunings, capo-aware songs, setlists, Stage Mode and guided chord identification.

Side-load Android APK

A wood and brass mechanical metronome with glowing rhythmic trails

03 / Rhythm

Click Two Three

A metronome that feels musical, with flexible grouping, useful sounds and a complete browser edition you can play free.

Precision without friction.

Built around instruments. The musical context comes first—not a generic utility wrapped around it.

Ready when you are. Clear controls, fast answers and stage-friendly presentation.

Made to disappear. Technology should get you to the music, then get out of the way.