Mastheads™ vs Signal Extractor
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Mastheads™ compared with Signal Extractor
| Detail | 
Mastheads™ | 
Signal Extractor |
|---|
| What it does | Source-backed articles with real bylines and fact-checking
| Summarize any YouTube video or X post in 10 seconds
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free trial: 7 days, 10 articles, no card required. Starter: $83/month (introductory price, standard $124/month), 40 articles/month, up to 3 sites, billed annually. Growth: $208/month (introductory price, standard $333/month), 120 articles/month, up to 10 sites, billed annually. Pro: $499/month (intr
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| Key features | - Ten editorial desks that research, write, fact-check and publish
- Source-backed writing with inline citations
- AI fact-checking against actual sources fetched
- Named editor of record on every article
- AI-generated original cover images
- CMS integration with WordPress, Ghost, Webflow, Shopify, HubSpot, GoHighLevel
- Publish on your own schedule with review-by-default
- Multi-language support with native local registers
- Content API with export options
- Topic research and story discovery
| - Summarize YouTube videos and X posts
- Key points with timestamps
- Ask follow-up questions
- AI-generated summaries from real transcripts
- Chrome extension
- Save summaries to account
- Follow favorite YouTube channels
- Get summaries by email
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| What makes it different | - Autonomous publishing with human editorial control and named bylines
- Every claim fact-checked against sources actually fetched, not guessed
- Customer owns all content outright with no lock-in
- No paywall scraping or deliberate defeats of access controls
| - Saves time with ten-second summaries instead of watching full videos
- Free with no account required
- Handles both video and social media content
- Interactive chat to ask follow-up questions about content
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 9 |
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| Citation Flow (Majestic) | 29 | 22 |
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| Referring domains (Majestic) | 81 | 51 |
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4 details filled in for both companies.
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