GramBook vs Open Atelier

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GramBook compared with Open Atelier
Detail	GramBook	Open Atelier
What it does	Translate one thought into ten social media dialects, running locally on your phone with no account or cloud.	A writing teacher that reads your book: see what to work on in your chapters, learn why, and check your fix.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 1 rewrite per day. GramBook Unlimited: $1.99 a week or $42 a year.	Free plan includes the editor, rule-based chapter check, and lessons with 3 Coach reads, 20 Co-write requests, and 10 questions per month. Atelier plan: $21/month or $189/year (with 3 months free annually) includes 40 Coach reads, 250 Co-write requests, and 150 questions per month. Additional packs:
Key features	Runs entirely on device with no cloud or servers Unlimited regeneration to get different versions Works in airplane mode Exports rewrites as customizable meme cards Supports 16 languages with Apple Intelligence	Rule-based chapter check for dialogue, continuity, point of view, prose and scene habits Findings anchored to your text with linked lessons Exercises on your own passage with re-check Three modes: Human only, Coach, or Co-write Authorship record tracking sources: typed, pasted, imported, or AI-generated Story bible for characters, places and facts over time Import from Word, PDF, Scrivener and other formats Version history for each chapter Export to Word, EPUB, PDF, Markdown and plain text Claude Sonnet 5.5 from Anthropic for AI features
What makes it different	Keeps all text local on your device with zero cloud processing or data transmission Generates platform-specific content for each social network simultaneously Free tier with one daily rewrite and no account setup Works offline in airplane mode without any account or subscription	Your writing is never used to train AI models Transparent authorship record shows exactly how each sentence arrived AI is optional and controlled per manuscript, with rule-based checks available free Interactive feedback loop with practice exercises before re-checking No API keys or token counting; simple per-action pricing
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 no change since last check	18 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	22	19
Referring domains (Majestic)	11	6

5 details filled in for both companies.

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