Spectral Analysis
Drop any file. Spectro runs a full FFT analysis and shows you where the frequency content actually ends.
For macOS · Spectral Analysis
Spectro analyzes your audio library and tells you - instantly - which files are real lossless and which are compressed tracks masquerading as WAV or AIFF.
Free for your first 10 tracks · No account required · No time limit
$29
One-time purchase
100%
Offline Private
< 1s
Per file verdict
44.1kHz
Full resolution
App Preview

Drop any file. Spectro runs a full FFT analysis and shows you where the frequency content actually ends.
Analyze your entire library at once. Scan 100 tracks before your next gig. Results in seconds.
No internet required. Your unreleased tracks never leave your machine.
Spectro
$29
one-time
Or start with the free 10-track trial
macOS 13 Ventura or later
Yes. Spectro reads FLAC, WAV, AIFF, and MP3.
macOS 13 Ventura or later.
Free for the first 10 files. No time limit, no account needed.
You receive a license key by email. Enter it in the app to activate on up to 2 Macs.