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Whisperstream vs PeakFlow

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

Whisperstream compared with PeakFlow
DetailWhisperstream logo WhisperstreamPeakFlow logo PeakFlow
What it doesOn-device dictation for Windows with no cloud transcription Five productivity tools for Mac and Windows with a free 30-day trial
StageNot given Not given
FoundedNot given Not given
Based inCA Not given
Pricing modelNot given Not given
Pricing$29 for 1 device, $49 for up to 2 devices. One-time payment, no subscription. Free 30-day trial of all five tools. Pro US$2.99/month (billed monthly, cancel anytime). One tool US$9.99 once. All five tools US$29.99 once. Dictation top-ups from US$5 (over 100,000 words for US$5, over 200,000 words for US$10, over 400,000 words for US$20). Launcher and Guarana are free for every
Key features
  • On-device speech recognition using NVIDIA Parakeet model
  • Text delivery to compatible applications via clipboard or simulated keystrokes
  • Searchable transcript history with audio replay and encryption
  • Import and transcribe audio files locally
  • Support for 39 languages including English, Spanish, French, German, Chinese, and Japanese
  • Optional AI cleanup to remove filler words and fix grammar
  • Custom dictionary for names, technical terms, and acronyms
  • Works entirely on CPU without requiring GPU for core transcription
  • Works across multiple monitors and supports macOS 13+ and Windows 10 and 11
  • No telemetry in the app and local processing of focus detection frames
What makes it different
  • Works offline after initial setup with no internet connection needed for core transcription
  • Broad app compatibility without requiring add-ins or plugins
  • Runs on CPU with no GPU required for speech recognition
  • AI dictation that removes filler words and adds punctuation automatically
  • Focus detection processes frames locally on your computer with no video storage or transmission
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)17 +1 (up) since last check9 no change since last check
Trust Flow (Majestic)174
Citation Flow (Majestic)2918
Referring domains (Majestic)7812

4 details filled in for both companies.

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