Music analysis for iPhone
See inside your music.
Import a track and instantly explore its key, BPM, structure, energy, instruments and loudness — analyzed privately on your iPhone.
Supported formats: AAC, AIF, AIFF, CAF, FLAC, M4A, MP3, WAV
MIDNIGHT SIGNAL
Nova Lane
03:42
Key
F minor
Tempo
126 BPM
Loudness
-9.4 LUFS
Structure
The track is divided into four sections of unequal length, shown left to right.
Energy
Energy starts low, rises through the middle of the track and reaches its highest point near the final section.
Instruments
Drums run through most of the track, bass enters early and holds, vocals appear in the middle sections and synth arrives near the end.
Loudness
Short-term loudness stays even through the opening, dips before the final section and peaks in the last third.
Built for producers, DJs, musicians and creators.
- Producers
- DJs
- Musicians
- Video creators
Feature overview
Everything you want to know about a track.
Key
Find the tonal center.
F minor
Rhythm
Lock into the rhythm.
126 BPM
Structure
See how the track unfolds.
4 sections
Energy
Follow the energy.
Pace
Instruments
See when instruments come and go.
4 lines
DrumsBassVocalsOtherLoudness
Understand the dynamics.
-9.4 LUFS
Synchronized player
One timeline. The whole track.
Play the song and watch its musical structure, energy, instruments and loudness move together.
- Structure
- Energy
- Instruments
- Loudness
MIDNIGHT SIGNAL
Nova Lane
03:42
Key
F minor
Tempo
126 BPM
Loudness
-9.4 LUFS
Structure
The track is divided into four sections of unequal length, shown left to right.
Energy
Energy starts low, rises through the middle of the track and reaches its highest point near the final section.
Instruments
Drums run through most of the track, bass enters early and holds, vocals appear in the middle sections and synth arrives near the end.
Loudness
Short-term loudness stays even through the opening, dips before the final section and peaks in the last third.
Workflow
From audio file to musical map.
- 01
Import
Choose a track from Files.
- 02
Analyze
TrackScope analyzes the music directly on your iPhone.
- 03
Explore
Inspect key, rhythm, structure, instruments, energy and loudness.
Privacy
Your music stays yours.
TrackScope analyzes your audio directly on your device. Your tracks don’t need to be uploaded to a server to understand them.
On-device analysis
Your track is analyzed directly on your iPhone.
No account required
Open TrackScope and start analyzing.
No cloud dependency
Your core analysis doesn’t require a TrackScope backend.
Private by design.
Read the Privacy PolicyLibrary
Your analyses, ready when you need them.
Every analysis stays available locally, so you can reopen a track and study it again without running the analysis a second time.
- Analyses stay in a private, local library.
- Search by title or artist.
- Reopen an analysis without running it again.
- Delete tracks and analyses whenever you want.
- Midnight SignalNova Lane126 BPM · F minor · -9.4 LUFSToday
- AfterglowMotion Fields118 BPM · A major · -11.2 LUFSYesterday
- Static HeartsNorth Arcade132 BPM · D minor · -8.7 LUFS3 days ago
Target users
Built for the way you work.
Producers
Quickly inspect reference tracks before opening your DAW.
DJs
Check BPM, key and structure while preparing a set.
Musicians
Study how songs develop over time.
Video creators
Find beats, bars and structural changes for better edits.
Pricing
Start free. Go deeper with Pro.
Free
€0
Start with 3 analyses and continue every week
- 3 welcome analyses, then 1 each week.
- Weekly analyses do not accumulate.
- Full analysis results.
- Library up to 3 tracks.
TrackScope Pro
Analyze without waiting for a new week
Monthly
€4.99
/ month
Yearly
€24.99
/ year
Best value
Lifetime
€39.99
once
- Unlimited analyses.
- Unlimited library.
- JSON export.
- Future Pro features.
Purchases are handled through the App Store.
FAQ
Questions about TrackScope.
- Key, rhythm, structure, energy, instrument activity and loudness — read from the audio file itself.
- No. Version 1.0 analyzes the audio locally on your iPhone and does not use a backend for that processing.
- TrackScope works with compatible audio files imported through Files on your iPhone.
- It detects structural boundaries and presents them as sections. It does not invent musical labels when the analysis is not certain enough.
- No. Version 1.0 has no account and no sign-in.
- The saved analysis stays available, although you may need to select the file again to play it back.
- TrackScope Pro removes the analysis and library limits and lets you export results as JSON.
- TrackScope Free includes three welcome analyses. After using them, one new analysis becomes available each week. Weekly analyses do not accumulate.
- Weekly analyses do not accumulate. You can have at most one weekly analysis available.
- No. It is a music inspector focused on understanding a track quickly.
TrackScope tells you what its analysis finds. It is a fast read of a track, not a measuring instrument.
Hear the track. See the music.
Key, BPM, structure, energy, instruments and loudness — one private analysis on your iPhone.


