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Audioalter vs Spectro

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

Audioalter compared with Spectro
DetailAudioalter logo AudioalterSpectro logo Spectro
What it doesA collection of easy-to-use web tools for all your audio files 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 modelFree Paid
PricingNot given 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
  • Bass Booster with multiple intensity presets
  • Noise Reducer for background noise removal
  • Vocal Remover to isolate instrumental
  • Equalizer to adjust audio frequencies
  • Tempo Changer to adjust playback speed
  • BPM Detector for tempo analysis
  • Audio Converter for format conversion
  • Waveform and Spectrogram Image generation
  • 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
  • Easy-to-use web-based tools requiring no software installation
  • Comprehensive suite of audio effects and processing tools
  • Pitch conversion including 440 Hz to 432 Hz conversion
  • 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)41 no change since last check3 no change since last check
Trust Flow (Majestic)97
Citation Flow (Majestic)3422
Referring domains (Majestic)32827

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