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Thread Turbo vs Private Writing Assistant

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

Thread Turbo compared with Private Writing Assistant
DetailThread Turbo logo Thread TurboPrivate Writing Assistant logo Private Writing Assistant
What it doesBrowser extensions to speed up long AI chats, export conversations, and manage AI usage Spelling and grammar checks in 101 languages, run entirely on your device
StageStartup Not given
FoundedNot given Not given
Based inES Not given
Pricing modelFreemium Free
PricingLong-chat Speed Fix: Free (ChatGPT support), Pro 3.99 €/month or 19 € lifetime (Claude and Gemini support). Chat Export: Free (ChatGPT to Markdown), Pro 9 € one-time (PDF, HTML, Claude and Gemini support). Claude Usage Tracker: Free (session badge and weekly limits), Pro 2.99 €/month or 15 € lifetim Not given
Key features
  • Long-chat speed optimization to fix typing lag and scrolling stutters
  • Export chats to Markdown, PDF, and HTML formats
  • Claude usage tracking with session and weekly limits display
  • Usage history and forecast analytics for Claude
  • Prompt library with tags, search, and quick insertion (Alt+P or //)
  • Custom message count settings per chat
  • Batch export for multiple open chat tabs
  • Desktop alerts for usage thresholds
  • 101 languages supported with automatic language detection
  • Runs on device using Chrome's built-in AI model
  • Works in email drafts, Google Docs, and Google Slides
  • Fix single mistakes or all corrections at once
  • Toggle checking on and off with visible AI status
What makes it different
  • 100% local processing with no accounts, analytics or server data collection
  • Works on multiple AI platforms including ChatGPT, Claude and Gemini
  • Unified prompt library accessible across ChatGPT, Claude and Gemini
  • Affordable lifetime purchase options as alternative to subscriptions
  • Nothing sent to servers - all processing happens on your device
  • Supports 101 languages with automatic detection
  • Uses Chrome's native AI - no external model required
  • Works seamlessly across text boxes, email, docs and slides
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 checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

4 details filled in for both companies.

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