Symphony – Music Notation

Symphony – Music Notation

By Xenon Labs

Symphony is a mobile music notation app designed for composing and editing scores directly on an iPhone. It supports multi-staff and multi-voice editing with a library of over 100 acoustic instruments for multi-track playback.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Professional musicians, composers, and music students requiring portable notation tools.

What does it look like?

Key features

Pencil Toolstandard

Allows users to tap the canvas to quickly input notes and chords.

Editing Suitestandard

Includes vertical drag-to-transpose, on-screen piano, and selection tools for modifying note duration, cutting, and pasting.

Playback Enginestandard

Provides low-latency, multi-track playback using a library of over 100 acoustic instruments.

File Compatibilitystandard

Supports importing existing Symphony/SP projects, MIDI, and XML files.

How much does it cost?

paid

Velocity

Dormant developmentShow more...

5 versions in history. Development pace: zombie.

See all version history

Who built it?

Xenon Labs

2 apps tracked · Music

Symphony Pro - Music NotationSymphony Pro - Music Notation
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.44 · 516

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Symphony – Music Notation

How's the Music market?

The rivals identified

The Analyst's Read

Key takeaways for Symphony – Music Notation

Where is it heading?

Bottom line

While the app offers a comprehensive mobile feature set for notation and playback, user feedback highlights a steep learning curve and potential usability challenges.

Report last updated

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 Symphony – Music Notation, 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. “Symphony – Music Notation Intelligence Report.” Updated Apr 18, 2026. https://marlvel.ai/apps/com-xeapps-symphony-iphone

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0