fastwrite vs Mastheads™
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
fastwrite compared with Mastheads™
| Detail | 
fastwrite | 
Mastheads™ |
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| What it does | AI writing assistant for academic papers integrated into Microsoft Word
| Source-backed articles with real bylines and fact-checking
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| Stage | Not given
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| Founded | Not given
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| Based in | DE
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| 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 | - Search over 20 million scientific papers using natural language queries
- Upload and chat with PDFs up to 1,000 pages per document
- AI-powered sentence and paragraph completion in Word with source citations
- Deep Review evaluation against nine university grading criteria
- Automatic APA 7 citation formatting
- Cross-document PDF search within entire project library
- Connector integration with Claude and ChatGPT
- Own-sources-only mode restricting generation to personal documents
- Available on macOS, Windows, and Web App
| - 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
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| What makes it different | - Integrated directly into Microsoft Word workflow without switching applications
- Prevents plagiarism by automatically inserting citations and suggesting paraphrasing
- Specifically optimized for academic writing using custom language models
- Evaluates work against actual university grading criteria with specific improvement suggestions
- All work remains private and never used for model training
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 35 ▼ −1 (down) since last check | 5 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 10 |
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| Citation Flow (Majestic) | 27 | 29 |
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| Referring domains (Majestic) | 153 | 81 |
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4 details filled in for both companies.
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