| What it does | A fully private writing aid for Mac that suggests the next words as you write
| AI humanizer for multilingual writing with best-in-class Japanese support
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| Stage | MVP
| Startup
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| Founded | 2026
| 2026
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| Based in | FR
| HK
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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.
| Free: 500 words/day humanize + unlimited detector (no credit card required); Basic: $9.99/month for 50,000 words/month + 30-day history + priority email support; Pro: $19.99/month for 250,000 words/month + academic mode + 90-day history + priority API queue. Student discount: 50% off annual plans wi
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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
| - AI text humanizer with casual, academic, and business modes
- Free AI content detector with ai_score, perplexity, and burstiness metrics
- Morphology-aware Japanese rewriting with conjugation and particle control
- Citation and technical term preservation in academic mode
- Three parallel rewrites scored by separate detector model
- Five-step intensity slider for faithfulness vs. AI-fingerprint tradeoff
- History and re-rewrite capability (30 or 90 days depending on plan)
- Second-pass academic polish with Claude 3.5 Haiku on Pro plan
- Support for English, Japanese, Korean, German, French, Spanish, Portuguese, and Chinese
- Tested against GPTZero, Turnitin, Originality.ai, and Copyleaks
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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
| - Best-in-class Japanese support with morphology-aware morpheme-level tuning, unlike generic humanizers
- Separate AI detector scores rewrites to guarantee the most natural result
- Preserves academic citations, figures, tables, and technical terminology verbatim
- Five-step granular intensity control to trade off faithfulness versus AI-fingerprint removal
- Independent developer with transparent privacy: no model training on user text, fixed deletion schedule
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 11 |
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| Citation Flow (Majestic) | 21 | 14 |
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| Referring domains (Majestic) | 29 | 46 |
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Souffleuse
Suikou AI