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Zumbo vs Sentien by Eventag

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

Zumbo compared with Sentien by Eventag
DetailZumbo logo ZumboSentien by Eventag logo Sentien by Eventag
What it doesOpen source dictation for Mac with local AI, instant speed and complete privacy Not given
StageNot given MVP
FoundedNot given Not given
Based inRO DE
Pricing modelPaid Not given
PricingOne 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. Free: €0 with 10 minutes per month. Basic: €24/month with 3,000 minutes per month. Pro: €120/month with 15,000 minutes per month. Ultra: €250/month with 25,000 minutes per month. Enterprise: Custom pricing. Overage: €0.035 per minute. Yearly billing available with 2 months free.
Key features
  • 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
  • Audio event detection with confidence scores
  • Scene context identification
  • Activity context inference
  • Emotional context detection
  • Speaker identification
  • Custom acoustic model training
  • API and SDK access
  • Real-time audio processing on device
  • Hardware-level marker injection into EEG
  • JSON and CSV structured output
What makes it different
  • 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
  • Multiple layers of context from single audio pass with timestamped results
  • Millisecond-precision hardware-level timing in EEG signal
  • Multi-layered contextual understanding beyond single labels
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)3 no change since last checkNot checked yet −1 (down) since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)2214
Referring domains (Majestic)93

4 details filled in for both companies.

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