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Zumbo vs Sleep Drift

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 Sleep Drift
DetailZumbo logo ZumboSleep Drift logo Sleep Drift
What it doesOpen source dictation for Mac with local AI, instant speed and complete privacy Create any sound for sleeping
StageNot given Not given
FoundedNot given Not given
Based inRO Not given
Pricing modelPaid Paid
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. One-time purchase with no subscription or in-app purchases.
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
  • Generate unlimited custom sounds from text descriptions
  • Twelve built-in classic sounds including white noise, rain, ocean, and thunderstorm
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
  • Sounds generated on-device never repeat during one night, using multiple rotating takes over differently-timed background beds
  • No accounts, servers, or data collection—everything stays on your device and works offline
  • One-time purchase with no subscription, in-app purchases, or paywall
  • Sounds synthesized from descriptions rather than played from a fixed library
  • All features available immediately on first launch with full access to sound creation and customization
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 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)2213
Referring domains (Majestic)91

5 details filled in for both companies.

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