Multify vs Histiq

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

Multify compared with Histiq
Detail	Multify	Histiq
What it does	Free AI browser extension for Chrome and Firefox	AI semantic search for your browser history and PDFs
Stage	Not given	Startup
Founded	Not given	Not given
Based in	US	US
Pricing model	Free	Freemium
Pricing	Not given	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	Doubleslash shortcut for writing and research anywhere AI-powered Gmail research to look up email senders Chat with any website to summarize and extract information Save links, posts, podcasts and videos to Stash MCP integration with AI agents like Claude and ChatGPT Works on Chrome and Firefox desktop browsers	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	Free to install and use with no payment required Operates directly in your browser without a separate app User maintains full control over what is shared and sent Integrates with existing AI agents through MCP protocol	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	31 +1 (up) since last check	1 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	23	15
Referring domains (Majestic)	23	30

5 details filled in for both companies.

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