Souffleuse vs fastwrite
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Souffleuse compared with fastwrite
| Detail | 
Souffleuse | 
fastwrite |
|---|
| What it does | A fully private writing aid for Mac that suggests the next words as you write
| AI writing assistant for academic papers integrated into Microsoft Word
|
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| Stage | MVP
| Not given
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| Founded | 2026
| Not given
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| Based in | FR
| DE
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| Pricing model | Paid
| Freemium
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| Pricing | Free download. Studio license: €29 with Lightning, €39 by card. One-time purchase, no subscription.
| Not given
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| Key features | - Real-time text suggestions under cursor
- Learns your writing style over time
- Tone adjustment with '//' command
- Translation while typing
- Automatic typo correction
- Emoji picker with keyboard shortcut
- Usage ledger tracking keystrokes saved
- Works offline after initial setup
- Runs in Mail, Notes, Messages, Safari and most Mac apps
- Encrypted local history
| - 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
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| What makes it different | - One-time purchase with no subscription or daily limits
- Learns your personal style and tone
- Works offline in any Mac app
- Built-in translation for multiple languages
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | 35 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 2 | 17 |
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| Citation Flow (Majestic) | 21 | 27 |
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| Referring domains (Majestic) | 29 | 153 |
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5 details filled in for both companies.
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