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Sound to MIDI vs Spectro

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sound to MIDI compared with Spectro
DetailSound to MIDI logo Sound to MIDISpectro logo Spectro
What it doesConvert audio to MIDI free in your browser Detects fake lossless audio files on Mac by analyzing spectral content
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingRaw MIDI downloads are free. Sign in for your first complete project export free. Additional project exports available in one-time packs with no subscription. First-time users get one free complete export after signing in. Personal: $24.99 USD (one-time, 1 Mac). Duo: $39 USD (one-time, 2 Macs). Both plans include unlimited file scans, offline and private analysis, free updates, and 30-day money-back guarantee. Free trial: 100 tracks with no time limit and no account required.
Key features
  • Free Raw MIDI download without sign-up
  • Local audio processing on device
  • Polyphonic AI pitch detection using Spotify's Basic Pitch
  • Multiple input formats: MP3, WAV, FLAC, M4A, OGG, MP4, WebM
  • Edit and refine detected notes before export
  • Automatic sheet music draft in PDF and MusicXML
  • Practice WAVs at original and half speed
  • Source-aware detection profiles: Voice, Piano & Guitar, Bass, General
  • Adjustable onset and note confidence thresholds
  • Works on mobile browsers
  • Full FFT spectral analysis with automatic LOSSLESS, MEDIUM, or FAKE verdict per track
  • Batch scanning and CSV export of results with verdict, format, bitrate, cutoff frequency and confidence score
  • Automatic macOS Finder color tags applied directly to files
  • Rekordbox XML import without drag and drop required
  • Support for WAV, AIFF, FLAC, ALAC, MP3, AAC, Ogg Vorbis and Opus formats
  • Folder watch mode with automatic analysis of new tracks
  • M3U and M3U8 playlist import for Traktor, VirtualDJ and other software
  • Bulk spectrogram PNG export for analyzed tracks
  • Completely offline operation with no internet or account required
  • 99% accuracy on transcoding detection based on peer-reviewed research across 2,512 songs
What makes it different
  • Runs entirely on your device; no audio upload required for conversion
  • Free conversion with no sign-up, daily limits or watermarks
  • Compare Raw MIDI with edited results before paying
  • Optional privacy-first cloud backup requiring explicit user selection
  • Native macOS application optimized for Apple Silicon and Intel with full sandboxing and notarization
  • One-time purchase with free updates, never a subscription or per-track fee
  • 30-day money-back guarantee on all purchases
  • Based on peer-reviewed research from 2009 ACM Multimedia & Security Workshop
  • Works with existing DJ workflows including Rekordbox, Traktor and VirtualDJ
Community votes00
DR (Domain Rating by Ahrefs)38 no change since last check3 no change since last check
Trust Flow (Majestic)67
Citation Flow (Majestic)2622
Referring domains (Majestic)3027

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