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Whisperstream vs InboxClean

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 InboxClean
DetailWhisperstream logo Whisperstream InboxClean
What it doesOn-device dictation for Windows with no cloud transcription Clean your Gmail inbox in 60 seconds by unsubscribing from spam and newsletters with one click
StageNot given Not given
FoundedNot given Not given
Based inCA Not given
Pricing modelNot given Freemium
Pricing$29 for 1 device, $49 for up to 2 devices. One-time payment, no subscription. Free: 10 unsubscribes per week, scan up to 1000 emails, basic spam report, Gmail only. Pro: $5 per month with unlimited unsubscribes, spam score for every sender, Inbox Shield, weekly auto-clean, and priority support.
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
  • Scan last 1,000 emails for subscriptions and newsletters
  • One-click unsubscribe from unwanted senders
  • Weekly automatic cleaning
  • Auto-unsubscribe from new spam senders
  • Spam score for every sender
  • Inbox Shield to block senders forever
  • Basic spam report
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
  • 60-second setup to clean inbox
  • Fully automatic weekly cleaning with no effort required
  • Free plan available with no credit card required
  • Headers only access, emails never read or sold
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 check1 no change since last check
Trust Flow (Majestic)173
Citation Flow (Majestic)2919
Referring domains (Majestic)787

4 details filled in for both companies.

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