Credibility Analyzer vs Mastros

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

Credibility Analyzer compared with Mastros
Detail	Credibility Analyzer	Mastros
What it does	AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps	Privacy-first Chrome extensions that export chat and social media data to spreadsheets
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Free to use; users bring their own API keys and are billed directly by Google, Anthropic, or OpenAI for model usage.	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	Chrome and Firefox browser extensions iPhone and Mac apps with Share Extension for analyzing text from Safari or any app Android app on Google Play 1–10 credibility score with short verdict Claim-by-claim findings with verified, partially verified, unverified, or false/misleading labels Source links from web grounding citations Optional Media Bias/Fact Check publisher rating Results in the same language as the page when possible On-device Gemini Nano for local analysis on Chrome Bring your own API key for Gemini, Claude, or OpenAI models	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	Works across multiple platforms as both browser extensions and native mobile apps Bring-your-own-key model with no account required On-device analysis option with Gemini Nano on Chrome keeps text private Claims grounded in live web search or model training knowledge with source citations Multilingual results matching the page language	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)	28 no change since last check	35 no change since last check
Trust Flow (Majestic)	2	10
Citation Flow (Majestic)	22	28
Referring domains (Majestic)	30	54

5 details filled in for both companies.

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