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HighlightGPT vs Histiq

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

HighlightGPT compared with Histiq
DetailHighlightGPT logo HighlightGPT Histiq
What it doesA browser extension that lets you ask, explain, translate, and memorize from highlights using ChatGPT's native responses AI semantic search for your browser history and PDFs
StageNot given Startup
FoundedNot given Not given
Based inNot given US
Pricing modelNot given Freemium
PricingFree: $0/Lifetime includes highlight toolbar inside ChatGPT, ask/explain/translate, view answers in side panel, manually save to ChatGPT memory. Pro: $8/Lifetime adds remove ads, unlimited saving to ChatGPT memory, priority support, early access to new features. Free 14-day trial (no credit card required, starts on install). Then: Monthly $6.99/mo, Annual $4.17/mo (billed $49.99/year, save 40%), or Lifetime $129 one-time payment.
Key features
  • Highlight toolbar inside ChatGPT
  • Ask questions directly from highlighted text without retyping
  • Translate ChatGPT replies while preserving tone and nuance
  • Save important answers to ChatGPT memory
  • Context-aware replies in side panel
  • Zero extra tokens usage
  • Semantic search by meaning instead of exact keywords
  • Automatic PDF indexing and search
  • Sub-50ms search latency
  • Works on Chrome and Edge from single install
  • Privacy controls including domain blocklist and URL patterns
  • Encrypted local backup and export
  • No account or login required
  • Support for PDFs up to 50 MB
What makes it different
  • Zero extra tokens - no additional token usage while using ChatGPT's native responses
  • Side panel design keeps you reading ChatGPT uninterrupted
  • Privacy-first with answers generated only by ChatGPT
  • Only browser history tool that is 100% local with zero data transmission to servers
  • Includes full 14-day free trial with no credit card required
  • Works across Chrome and Edge without requiring separate installs
  • Lifetime purchase option with no recurring billing
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)33 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)82
Citation Flow (Majestic)1915
Referring domains (Majestic)3230

4 details filled in for both companies.

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