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Fluence. vs Zumbo

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

Fluence. compared with Zumbo
DetailFluence. logo Fluence.Zumbo logo Zumbo
What it doesYour books and documents, read aloud by a voice you choose. Open source dictation for Mac with local AI, instant speed and complete privacy
StageNot given Not given
FoundedNot given Not given
Based inLU RO
Pricing modelPaid Paid
Pricing€14.99 one-time payment. Ten documents free. One Mac: $15 (or $9 for first 10 buyers); Three Macs: $20; Team (10 Macs): $79. 3-day free trial with everything unlocked. Free updates. 14-day refunds.
Key features
  • 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
  • Dictation into any app with one keyboard shortcut
  • Local speech processing in about 200 milliseconds
  • Automatic clean speech with filler word removal
  • Learn corrections to improve accuracy per user
  • 21 vocabulary packs for specialized fields
  • Custom vocabulary packs from CSV or JSON files
  • Notes with searchable history and time-based reminders
  • Meeting mode with speaker labels and timestamps
  • Supports 25 European languages
  • Runs completely offline with no account required
What makes it different
  • 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
  • Open source GPL-3 code on GitHub you can read, build and verify
  • Complete privacy with no server, no account, no audio sent anywhere
  • Fastest local transcription at about 200 milliseconds latency
  • One-time purchase with free updates and no subscription
  • Works in terminal, code editors and AI coding agents
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)Not checked yet no change since last check3 no change since last check
Trust Flow (Majestic)13
Citation Flow (Majestic)2322
Referring domains (Majestic)129

6 details filled in for both companies.

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