Features

Five modules.
One toolkit.

Each module solves one specific harmonica problem. Together, they combine as a comprehensive tool kit for apiring to experienced harmonica players.

Module 01 · Discovery

HarmoniFinder™

Tell it your song's key and feel, and it tells you which Lee Oskar harmonica to grab. Honest rankings, no padded results.

Compare against 14 genres across Major & minor keys.

Song key
G Major Blues
Recommendations
⭐ Best match C Major Diatonic · 2nd position
👍 Great option D Major Diatonic · 3rd position
Module 02 · Reference

QuickGuide™

Look up any chord or scale, then see how it lays out on a different instrument. Useful for harmonica players, and just as useful for guitarists, ukulele players, and pianists who want a fast cross-instrument reference.

Ten instruments. Dual dropdowns. Staff transpose. Letter and solfège notation.

Chord lookup
C m 7 maj7 sus
On ukulele
Module 3 · Player

My Collection

Track the harmonicas you own. Useful at gigs, useful at home, useful when you're trying to remember whether you actually own a Low F before you click "buy." Easily keep track of your harmonica collection with 'Own, Want, Need' lists.

My Collection
C
Major Diatonic
G
Melody Maker
Am
Natural Minor
Module 4 · Reference

Learn & Care

Practical tips for playing positions, troubleshooting common issues, and keeping your harmonicas in good shape.

Diagrams. Position cheat sheets. Care & cleaning guidance.

Common issues
→ FixStuck reed cleaning steps
→ TipPosition chart for Cross Harp
→ CareStorage and humidity
Module 5 · Workshop

Tuning Workshop

Explore the four Lee Oskar tunings, mix and match reed plates between them, and try custom tunings adapted from a wide library of music genres like blues, country, folk, Celtic, jazz, and world music.

Major Diatonic · Melody Maker · Natural Minor · Harmonic Minor + custom.

Orange
Major Diatonic
Blue
Melody Maker
Green
Natural Minor
Yellow
Harmonic Minor
Multi-instrument by design

Harmonica-first. Inclusive by design.

HarmonicAlly™ supports comprehensive chord charts for many other instruments. Example: View all available guitar chords on a C Major Diatonic harmonica. Then switch instruments for easy comparison, arranging, and songwriting.

Harmonica
First
Guitar
6-string
Ukulele
GCEA
Piano
88 keys
Bass
4-string
Mandolin
GDAE
Banjo
5-string
Fiddle
GDAE
Music Scale
Do Re Mi
Ready to play

Completely Free.
No catch.

Download HarmonicAlly™ and have every harmonica tool you need ready before the first downbeat.