1app4.2(5)Music

Publisher DNA

What defines 515?

AI intelligence is not yet available for 515. The portfolio data below is up to date.

Portfolio

What does 515 ship?

Apps

1 app analysed

All-in-one architecture reduces cognitive load for beginners

  • SYNC ensemble technology creates a unique multi-device coordination mechanism

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

Based on 1 of 1 app with localized market data Β· last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

1

Neutral / mixed

0

Negative apps

70/100

Avg sentiment score

Rivals

Who does 515 compete with?

The rivals identified

Nemeses(1)

forScore

known forforScore

1 app4.8Music

forScore is the industry-standard sheet music reader that dominates the professional musician workflow, directly competing with METRO X's goal of being an all-in-one practice hub.

Contenders(4)

Ghostdust

known forSongSheet Pro: Setlist helper

1 app4.7Music

This app focuses on the intersection of chord chart editing and setlist management, directly challenging METRO X's utility for live performers.

Monash University

known forDecibel ScorePlayer

1 app4.0Music

This app targets the academic and experimental music space, competing for users who require synchronized score playback and rehearsal tools.

Songbook Systems

known forSongbookPro

1 appMusic

SongbookPro is a major contender in the chord-chart and setlist management space, appealing to the same gigging musician demographic as METRO X.

Torsten Ecke

known forLivePrompter 2

1 app4.0Music

LivePrompter 2 competes by offering advanced stage-performance features like MIDI control and master-slave synchronization for live bands.

Same space(4)

Angisoft

known forrooWatch

1 app3.4Music

rooWatch competes by offering specialized playback control, targeting the hardware-centric workflow of Roon users.

CASIO COMPUTER CO.

known forLyric Creator

1 app2.4Music

Lyric Creator overlaps with METRO X by providing specialized tools for lyric management and hardware-integrated performance.

Lee Gaskell

known forSetlist Carrot - Setlist.fm

1 app3.9Music

This app serves the organizational side of the music workflow, focusing on setlist generation and music library integration.

Simon Lang

known for7III Tap: Live MIDI Controller

1 app4.6Music

7III Tap competes for the musician's screen real estate by providing advanced MIDI control tools for live performance environments.

New entrants(2)

Adam Baker

known forGrip: Control Ableton Live

1 app5.0Music

Grip is a new competitor targeting the electronic music production and live performance market with voice control.

Wei Te Hsu

known forScoreFlow -Sheet Music Reader

1 app0.0Music

A new entrant focusing on the core sheet music reading experience with modern Apple Pencil support.

Frequently asked questions

How many apps does 515 publish?
515 has 1 app tracked by Marlvel, primarily in the Music category.
What kind of apps does 515 make?
515's portfolio is concentrated in Music, with an average rating of 4.2/5 across rated apps.
What is 515's top app?
By review volume across the portfolio, METRO X: Metronome & Pro Tuner is 515's best-known app tracked by Marlvel.
In how many countries are 515's apps available?
Marlvel has tracked 515's apps across 1 country.

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 515, 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. β€œ515 intelligence.” Updated N/A. https://marlvel.ai/publishers/515-llc

See methodologyContact support

Data licensed under CC-BY-NC 4.0