Bassoon Fingering & Tuning icon
Clarinet Fingering & Tuning icon
Euphonium Fingering & Tuning icon
+8

Shelley Jagow

For band directors, private music instructors, and instrumental students seeking technical reference materials.

11apps1.0(6)Music

Snapshot

Who is Shelley Jagow?

Providing specialized fingering and intonation reference tools for instrumental music students and educators. Supporting technical proficiency through interactive, color-coded digital charts.

Target audience

Band directorsPrivate music instructorsInstrumental students seeking technical reference materials

Active nemesis

Anthoney Melcher

Other rivals

Portfolio

11
apps
Music11

Last updated

Bassoon Fingering & Tuning

v1.1

1.5y ago

Dormant

Publisher DNA

What defines Shelley Jagow?

Publisher DNA

Primary focus

Educational music reference tools

Scale

indie

Target audience

Band directors, private music instructors, and instrumental students seeking technical reference materials.

Origin

Founded by a music educator and clinician to provide digital teaching resources for instrumental music directors.

Signature Patterns

  • Strict focus on paid, single-purpose educational utility apps.
  • Consistent use of interactive, color-coded fingering charts.
  • Standardized feature set including pitch tendency analysis and tuning guidance.
  • Content tailored specifically for the band director and private instructor market.
Dormant

Portfolio momentum

With zero releases in the last 6 months and 5 apps categorized as abandoned, the portfolio is currently in a maintenance state.

Active apps 0Abandoned 5

Portfolio

What does Shelley Jagow ship?

Apps

11 apps analysed

Color-coded visualization simplifies complex euphonium pitch tendencies

  • Expert-curated intonation data establishes professional-grade authority

Single-market publisher, every app ships only to United States.

Based on 1 of 11 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

Rivals

Who does Shelley Jagow compete with?

The rivals identified

Nemeses(1)

Anthoney Melcher

known forInstrument Fingering Charts

1 app4.3Music

This app directly competes by offering a broad, multi-instrument fingering library that captures the same educational and student-focused market as the Euphonium Fingering & Tuning app.

Contenders(1)

Dylan Taylor

known forString Thing

1 app5.0Music

While focused on strings, this app competes for the same student-musician demographic looking for quick, interactive reference tools for their instrument.

Same space(4)

Blackstar Amplification

known forBlackstar BEAM

1 app2.3Music

This app occupies the broader music utility space, competing for the attention of musicians who use digital tools for practice and tone management.

Brian Hughes

known forSpeedy Note: Tenor Clef

1 app1.5Music

This app competes for the same niche of music education, specifically targeting students who need to master clef-specific note identification.

Enrico Ferro

known forBeatPod Metronome & Tuner

1 app1.0Music

This app serves the fundamental utility needs of the same student-musician audience, acting as a daily practice companion.

Rolfs Apps

known forBass Sight Reading Trainer

1 app4.5Music

This app competes for the same educational utility market, focusing on skill-building for musicians rather than just reference material.

New entrants(2)

NimrodS

known forOmniTuneX Pro

1 app0.0Music

A new entrant in the music utility space that threatens to capture users looking for modern, all-in-one educational and tuning solutions.

Zeynep Toy

known forPiano Maestro Studio

1 app0.0Music

This newcomer targets the music education segment with high-fidelity sound engines, competing for the same student time-share.

The Analyst's Read

The bottom line on Shelley Jagow

Bottom line

The publisher maintains a stable, niche-focused portfolio that serves as a digital extension of traditional music education. While the lack of recent updates suggests a low-maintenance strategy, the apps provide clear, specialized value for their target demographic.

Frequently asked questions

How many apps does Shelley Jagow publish?
Shelley Jagow has 11 apps tracked by Marlvel, primarily in the Music category.
What kind of apps does Shelley Jagow make?
Shelley Jagow's portfolio is concentrated in Music, with an average rating of 1.0/5 across rated apps.
What is Shelley Jagow's top app?
By review volume across the portfolio, Bassoon Fingering & Tuning is Shelley Jagow's best-known app tracked by Marlvel.
In how many countries are Shelley Jagow's apps available?
Marlvel has tracked Shelley Jagow's apps across 1 country.

What fed this analysis

Apps analyzed:
11
With full intel:
0
With overview:
11
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Shelley Jagow, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Shelley Jagow intelligence.” Updated 2026-05-11. https://marlvel.ai/publishers/shelley-jagow

See methodologyContact support

Data licensed under CC-BY-NC 4.0