SQNTIAL
Menu

SQNTIAL MOBILE

Fretboard exploration that moves with you.

Visualise scales, chords and intervals across guitar and bass, then turn what you discover into focused practice.

Available on iPhone and iPad. Android beta access is also available.

Download on the App StoreJoin the Android beta
SQNTIAL running in landscape on iPhone, displaying notes across the guitar fretboard with exploration controls open.
Explore scales, chords, intervals and note relationships directly on the fretboard.

Visualise

See scales, chords, intervals, note names, and fretboard structures directly on the instrument.

Explore relationships that are often difficult to visualise using traditional diagrams, books, or static reference charts.

SQNTIAL displaying notes across the guitar fretboard with the instrument information panel open.

Explore

Investigate different positions, tunings, instruments, and fretboard views.

Move beyond isolated shapes and explore how musical ideas connect across the neck.

SQNTIAL displaying fretboard scope controls for changing the visible playing area.

Practice

Support self-directed musical development through structured practice tools and guided exploration.

Use practice timers, prompts, and visual references to create consistent practice sessions and investigate musical ideas more efficiently.

SQNTIAL practice timer showing a running structured practice block.

Download

Download SQNTIAL.

Install SQNTIAL from the App Store or join the Android beta.

Download on the App StoreJoin the Android beta

Join the Android Beta

Join upcoming Android releases before public launch and help shape future updates.

Explore before installing

Try Browser PLAY.

Explore scales and chords instantly without installing the app.

Open PLAY