Browser extension that transforms YouTube, Spotify Web and Apple Music into immersive 8D spatial sound
Find what was said. Trace it to the source.
Stage
Not given
Startup
Founded
Not given
2026
Based in
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Not given
Pricing model
Freemium
Freemium
Pricing
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
Free: 20 imports and 20 AI summaries per month. Monthly: $3/month with unlimited imports and summaries. Annual: $18/year (50% off monthly rate).
Key features
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
Record from iPhone, Apple Watch, and USB recorders
Local transcription with Whisper
Choose between local or external AI for notes
Search archive with full transcript indexing
Ask questions about recordings with source linking
Organize recordings by day or week
All data stored locally on your Mac
No per-minute recording charges
What makes it different
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
Data stays on your Mac, not uploaded to company servers
8Dfy
SaidTrace