Mastros vs CardGo.AI

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

Mastros compared with CardGo.AI
Detail	Mastros	CardGo.AI
What it does	Privacy-first Chrome extensions that export chat and social media data to spreadsheets	AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	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:	Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.
Key features	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	Save context once as encrypted cards with seven sections End-to-end encrypted with AES-256-GCM Works with ChatGPT, Claude, Gemini, Perplexity and Grok Sync across devices Card suggestions while typing Create multiple context cards with different details Filter sensitive details before sharing Dream cards feature to auto-generate card suggestions
What makes it different	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	One card works across five different AI services Eliminates need to re-explain context to each AI chat No credit card required to start Context attached only when you choose
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)	35 no change since last check	3 no change since last check
Trust Flow (Majestic)	10	0
Citation Flow (Majestic)	28	26
Referring domains (Majestic)	54	41

5 details filled in for both companies.

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