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8Dfy vs All to Audiobook

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

8Dfy compared with All to Audiobook
Detail8Dfy logo 8DfyAll to Audiobook logo All to Audiobook
What it doesBrowser extension that transforms YouTube, Spotify Web and Apple Music into immersive 8D spatial sound Turn books and documents into audiobooks
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 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: 3 hours of audio, 2 voices, MP3 files per chapter. Pro: $19 launch price (then $29), unlimited length, 13 voices, M4B audiobook with chapters and cover. Studio: $49 launch price (then $69), 5 languages, custom voice, multiple voices per character, 2 devices.
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
  • Supports EPUB, PDF, DOCX, TXT and Markdown files
  • No file uploads; processing happens in your browser
  • Resume from where you stopped
  • Multiple voice options
  • M4B audiobook format with chapters and cover
  • Custom pronunciation list for names
  • Download chapters as MP3 files
  • Different voice for each character in a book
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
  • Privacy-first: files never leave your computer
  • Listen while converting; start within a minute or two
  • Your audiobooks are yours to keep forever
  • Works on Mac and Windows with desktop app Studio
Community votes00
DR (Domain Rating by Ahrefs)11 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)190
Referring domains (Majestic)200

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