A fully private writing aid for Mac that suggests the next words as you write
Purpose-built workshop for novelists where you direct narrative architecture while an AI execution engine stays strictly within your guardrails
Stage
MVP
Not given
Founded
2026
Not given
Based in
FR
Not given
Pricing model
Paid
Freemium
Pricing
Free download. Studio license: €29 with Lightning, €39 by card. One-time purchase, no subscription.
Free Trial: $0 with 5,000 AI-word pool and no expiry. Starter: $15/month with 50,000 word budget. Novelist: $30/month with 100,000 word budget. Annual plans save 20%.
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
Blueprint: Lock narrative spine, cast, beats, and voice rules before drafting
Craft Guard: Multi-layered quality screen catching cliché language, named emotions, and sensory bloat
Live Selection Cursor: Highlight text to trigger instant tightening, tense adjustments, and voice alignment
Chameleon Engine: Adaptively matches locked author voice profile and tone
The Ledger: Unified monthly word pool with hard stops and transparent usage tracking
The Forge: Focused revision passes with budgeted refinement pool
Import & Confirm: Upload outlines, cast lists, and notes to populate Blueprint
Proof of Work Certificate: Verifiable export detailing direction history and human-to-assisted balance
Multiple export formats: .txt, .md, .docx, and JSON on paid plans
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
True authorship through architectural direction rather than autonomous generation
Strict guardrails that enforce locked voice and narrative rules on every assisted line
Transparent word budgets with hard stops at 100% and no surprise overages
Souffleuse
Drafthand™