Report updated Apr 18, 2026

Quartet 1 is an established music app that is a paid app. With a 4.2/5 rating from 45 reviews, it shows polarized user reception.

What is Quartet 1?

Quartet 1 is a professional-grade music utility for iOS, priced at $19.99. It targets a niche audience of composers and music enthusiasts who require high-fidelity specialized tools. The app is currently performing well in the US Paid Music category, holding the #67 position after a significant 20-place climb, signaling strong market interest despite its premium price point.

Current Momentum

v2.3

Various bug fixes including bar numbers for Dark Mode

Active Nemesis

iSymphonic Orchestra

iSymphonic Orchestra

By Christian Schoenebeck d/b/a Crudebyte

Other Rivals

bismark bs-16i
BeatHawk
Ravenscroft 275 Piano
Cubasis 3 - DAW & Music Studio
Loopy Pro: Looper DAW Sampler

7-Day Rank Pulse 🇺🇸

Music
#86
NEW

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Specialized Music ToolsDifferentiator

High-fidelity sound generation for professional musical applications.

Premium UtilityDifferentiator

Focus on specialized, professional-grade functionality over mass-market appeal.

AUv3 SupportStandard

Standard integration for iOS music production environments.

How much does it cost?

Paid
  • One-time purchase price of $19.99

The app uses a premium upfront model to signal professional quality and avoid the 'race to the bottom' in mobile pricing.

Who Built It?

UK Music Apps Ltd app icon 1
UK Music Apps Ltd app icon 2
UK Music Apps Ltd app icon 3
UK Music Apps Ltd app icon 4

UK Music Apps

(38)

Providing jazz musicians and vocalists with professional-grade, live-recorded backing tracks for practice and performance.

Portfolio

13

Apps

Paid 12
Music67%
Musik25%
音樂8%

What other apps does UK Music Apps make?

SessionBand Blues 1

SessionBand Blues 1

Music·4.7(32)
View Intel →
SessionBand Rock 1

SessionBand Rock 1

音樂
SessionBand Jazz 3

SessionBand Jazz 3

Music
SessionBand Ukulele Band 1

SessionBand Ukulele Band 1

Music
SessionBand Acoustic Guitar 2

SessionBand Acoustic Guitar 2

Music
SessionBand Acoustic Guitar 1

SessionBand Acoustic Guitar 1

Music

Explore the full UK Music Apps report

Portfolio breakdown, audience, momentum, and every app published by UK Music Apps.

Go deeper

What is the competitive landscape for Quartet 1?

Where is it available?

Localized markets (1)

United States

How's The Music Market?

How does it evolve in the Music market?

Rank progression

31 active rankings tracked — 30-day window

The rivals identified

The outtake for Quartet 1

Strengths to defend, gaps to attack

Core Strengths

  • Strong upward chart momentum (+20 in Paid Music)
  • Clear premium brand positioning
  • Specialized focus on high-fidelity sound

Critical Frictions

  • High upfront cost barrier ($19.99)
  • Lack of social media and web presence
  • Limited platform availability (iOS only)

Growth Levers

  • Create a 'Lite' version to funnel users to the paid tier
  • Establish a YouTube presence for sound demos
  • Expand to Android to capture underserved pro-audio users

Market Threats

  • Apple's Logic Pro for iPad providing high-quality native sounds
  • Free boutique sampler platforms like Decent Sampler
  • Direct competition from established rivals like iSymphonic

Key Takeaways

Quartet 1 is an established music app that is a paid app. With a 4.2/5 rating from 45 reviews, it shows polarized user reception.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Quartet 1, 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. “Quartet 1 Intelligence Report.” Updated Apr 18, 2026. https://marlvel.ai/apps/ukmusicapps-quartet1

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