LLMnesia vs Mastros

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

LLMnesia compared with Mastros
Detail	LLMnesia	Mastros
What it does	Search your AI chat history across ChatGPT, Claude, Gemini and more, locally and privately	Privacy-first Chrome extensions that export chat and social media data to spreadsheets
Stage	Startup	Startup
Founded	2026	2026
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: local search, history import, auto-capture, MCP connection. Vault: £8/month or £88/year (billed annually with one month free, equivalent to £7.33/month). Plus tax.	Free: 100 profiles and 100 messages per month (WhatsApp), or 250 profiles and 300 messages per month (Telegram), or 250 records (LinkedIn). Instagram and TikTok free and unlimited in beta. Pro: $9/month with 5,000 profiles and 10,000 messages per month (WhatsApp), or 5,000 records (LinkedIn). Scale:
Key features	Search across 15 AI platforms with semantic search Auto-capture new conversations automatically in background Save individual lines as reusable memories Star conversations for easy retrieval Filter results by AI platform or date Local MCP connection for Claude Desktop and Cursor Export conversations in portable format End-to-end encrypted sync across devices with Vault Vault web app beta for searching on phone and desktop	Export group members and chat messages to CSV, JSON or JSONL Bulk media download from chats Export LinkedIn searches with Sales Navigator support Extract email and website from Instagram and TikTok bios Calculate exact TikTok engagement rates Process all data in the browser with no server involvement Read-only with no automation or message sending
What makes it different	Completely local-first: free search index stays in your browser, nothing sent to servers No account required for core features Spans all your AI tools in one searchable interface Retrieves conversations even after they're deleted from original platforms Lightweight design with minimal browser performance impact	Works with no account creation, API key or password required Reads only visible data; cannot reveal hidden information or deleted messages Five tools with the same pricing model and interface Instagram and TikTok extensions are free and unlimited during beta
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)	19 no change since last check	35 no change since last check
Trust Flow (Majestic)	3	10
Citation Flow (Majestic)	26	28
Referring domains (Majestic)	43	54

7 details filled in for both companies.

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