Key & BPM Lab vs 8Dfy

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

Key & BPM Lab compared with 8Dfy
Detail	Key & BPM Lab	8Dfy
What it does	Free browser-based audio tools for finding and changing song key and BPM	Browser extension that transforms YouTube, Spotify Web and Apple Music into immersive 8D spatial sound
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan includes Key & BPM Finder and Changer, Audio Cutter and Joiner, BPM Tapper and Metronome, Voice Recorder, and local processing tools with files saved for 6 hours. Plus plan: $9.90/month with 1,000 credits per month and files saved for 7 days. Pro plan: $19.90/month with 2,500 credits per m	Free: Full 8D experience with 8D rotation, Auto DJ, 8 presets, bass/clarity/reverb controls, floating panel with visualizer, 30-second shareable video samples, and 60-second previews of every Pro mode. Pro: $4.99 one-time payment unlocks multi-band surround, HRTF 3D, binaural beats, full-length expo
Key features	Detect song tempo, musical key, scale and Camelot code Change key and BPM independently and export as WAV Cut and join audio segments Record voice and tap beat timing Practice with online metronome Remove vocals from songs Split songs into instrument stems Enhance audio quality with AI Convert audio to editable MIDI	8D rotation engine with circular, sine, triangle and bounce patterns Beat-aware Auto DJ transitions carrying 4-8 beats between tracks Multi-band surround with frequency-dependent positioning HRTF 3D positioning with Orbit, Figure-8 and Drift paths Binaural beats at 15 Hz, 10 Hz, 6 Hz and 3 Hz frequencies Real-time audio visualizer with 120x120 canvas 30-second shareable video exports with visualizer Full-length exports up to 10 minutes as MP4, WAV or M4A Interaural time delay and head shadow filtering
What makes it different	Process audio locally in browser without uploading to servers No file storage or account required for free tools All free tools with privacy-first design Direct export from browser without server processing	Processes all audio entirely in browser with zero data sent anywhere, ever Works directly on YouTube, Spotify Web and Apple Music without disrupting playback Bio-accurate interaural delay of 0.7ms with HRTF 3D positioning Instant license key delivery via email with immediate activation
Community votes	0	0
DR (Domain Rating by Ahrefs)	25 −1 (down) since last check	11 no change since last check
Trust Flow (Majestic)	19	7
Citation Flow (Majestic)	12	19
Referring domains (Majestic)	35	20

5 details filled in for both companies.

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