Extrack is a music practice app for instrumentalists that isolates audio stems and displays chord progressions on iOS and Android.
The App DNA
What makes this app unique?
It removes the need for an active internet connection during practice sessions, allowing users to work with their own music library locally.
For Instrument players and vocalists seeking practice tools to isolate parts and learn songs by ear.
What does it look like?
Key features
Splits audio files into individual instrument tracks for independent volume control. Core utility feature driving acquisition.
Automatically detects and displays chord progressions with visual finger placement guides. Retention loop increasing session frequency.
Adjusts tempo, key, and loop sections for specific song segments. Retention feature encouraging daily active usage.
How much does it cost?
Freemium model gates advanced functionality behind a subscription, while basic stem separation and chord analysis remain free.
Velocity
Maintenance developmentUX improvementsperformanceShow more...
With only one release in the observed window and a cadence of approximately 0.16 releases per week, the app is currently in a maintenance state. The latest release introduced minor utility features, such as song list filtering and iTunes Store integration, alongside routine bug fixes. Development appears focused on incremental UX improvements rather than rapid feature expansion. The current update frequency suggests a stable but slow development cycle.
Who built it?
Yamaha
13+ apps tracked · Music & Audio
Headphone Control
YDS Controller
Smart Pianist
Mobile VOCALOID Editor
Headphones Controller
AV CONTROLLER
Yamaha METRONOME
EXPANSION EXPLORER
Extrack: Stem Separator,Chord
THR Session
Sound Bar Remote
VOCALOID KeyboardUser Sentiment
What do users think recently?
The recent review mood reads frustrated. Users appreciate stem separation technology provides high-quality audio isolation for drums, vocals, and bass tracks and local processing capability allows users to extract stems and play tracks without an active internet connection.
How are ratings & reviews evolving?
What users say, by theme
- Stem separation technology provides high-quality audio isolation for drums, vocals, and bass tracks
- Local processing capability allows users to extract stems and play tracks without an active internet connection
- Frequent application crashes during playback and file loading prevent consistent use across mobile platforms
30 of 30 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Extrack: Stem Separator, Chord
How's the Music & Audio market?
Extrack occupies a niche in the Music & Audio category by focusing on local, offline-first stem processing. The 3.06-star rating across 128 total ratings suggests that while the core technology is effective, the lack of file export and persistent crash reports limit its competitive standing.
The rivals identified
The Analyst's Read
Key takeaways for Extrack: Stem Separator, Chord
Where is it heading?
The market for music practice tools is shifting toward integrated, export-ready workflows that allow users to move stems into external production environments. Extrack remains exposed due to its maintenance-mode cadence and lack of file export, which risks ceding the power-user segment to rivals that offer more flexible, albeit cloud-dependent, workflows.
- Persistent playback crashes during the latest release cycle erode the daily active habit, which compounds the rating drag already visible on Android.
- The offline-first stem separation technology provides a unique value proposition that continues to earn praise despite the current stability complaints.
The SWOT
- Local processing removes connectivity dependency
- Export functionality would unlock professional workflows
Next best moves
Ship file export functionality because it is the top-requested missing feature → unlock professional user retention
+ 1 more prioritized moveThe counter-intuitive read
The offline-first design is a retention lever in…
Read the full takeSince the last report: The app's competitive standing remains in a maintenance state, with no functional updates addressing the critical lack of file export or playback stability. The primary shift is a more urgent framing of these gaps as threats to professional user retention.
Bottom line
Extrack possesses high-quality stem separation technology, but the lack of file export and persistent stability issues prevent it from becoming a professional-grade practice tool. Prioritizing stability and export functionality would transform the app from a casual utility into an essential musician's workflow.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Extrack free to use?
Does Extrack work without an internet connection?
Can I save the separated stems to my device?
Sources
- [1] Play Store listing, source
Report last updated