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HushBook vs Fluence.

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

HushBook compared with Fluence.
Detail HushBookFluence. logo Fluence.
What it doesRead along while listening to audiobooks with word-by-word synchronization Your books and documents, read aloud by a voice you choose.
StageNot given Not given
FoundedNot given Not given
Based inNot given LU
Pricing modelFree Paid
PricingFree core features including read-along text, device transcription, offline functionality, and public-domain library. Optional Pro upgrade for advanced analytics. €14.99 one-time payment. Ten documents free.
Key features
  • Word-level synchronized text highlighting with 60fps
  • On-device transcription without cloud upload
  • Offline playback after single engine download
  • Support for 99 languages
  • Import multiple audio formats including MP3, M4B, FLAC, OGG
  • Accessibility profiles for dyslexia, ADHD, and vision impairment
  • Built-in library with 20k+ public-domain titles
  • Quote saving and sharing with generated cards
  • Reading analytics with neuroscience-based brain score
  • Character map feature for tracking book figures
  • Converts PDFs, ebooks, reports and articles to audio
  • Highlights text as it is read
  • Bookmark and note-taking
  • Create custom voice from recording
  • Question answering about documents
  • Offline functionality
  • All processing on device
  • Supports multiple file formats
What makes it different
  • Complete privacy with no account or cloud uploads required
  • No external lyrics database; transcription generated directly from your audio
  • Supports your own audiobook files without DRM restrictions
  • No ads in core experience
  • All processing happens on your phone with no cloud sync or data sharing
  • Built-in voice in 31 languages or use your own recorded voice
  • One-time payment with no subscriptions
  • Answers questions drawn from your documents
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)61
Citation Flow (Majestic)2623
Referring domains (Majestic)4912

5 details filled in for both companies.

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