EmberWhere words come alive
Ember is the all-in-one writing studio with an AI assistant that enhances your craft, not replaces it. For Substack writers, authors, note-takers, and anyone who cares about their words.
Built for writers
Everything you need,
nothing you don't
Ember combines intelligent tools with a distraction-free canvas so you can focus on what matters — the writing.
Ignite AI
An assistant made for writers. It learns your voice over time, finds sources, and revises passages without flattening your style.
Smart Proofreading
Powered by LanguageTool. Catch grammar issues, style inconsistencies, and typographical errors instantly.
Local & Private
Your documents stay on your Mac, and your text is never used to train any AI model.
Native macOS Experience
Built with SwiftUI. Fast, beautiful, and feels right at home on your Mac. No Electron, no compromises.
Your co-pilot,
not your replacement
Ignite doesn't write for you, it thinks alongside you. The more you use it, the more it learns your voice, rhythms, and writing preferences. Highlight a passage and ask for feedback, find sources for an article, or tighten a section without losing what makes it sound like you.
Polish every
last detail
Ember's dedicated proofreading tab, powered by LanguageTool, catches what your eyes miss. From capitalization errors to style repetitions, every issue is surfaced with clear explanations — and you can send any flagged item to Ignite for a deeper fix.
Your words stay yours
Your documents live on your Mac, nowhere else. Ignite adapts to how you write as you use it more, while your text remains under your control and is never used to train AI models.
Stored locally
Your documents are saved on your Mac instead of being stored in the cloud.
Learns your style
Ignite gets better at matching how you write the more you use it.
No training on your data
Your text is never used to train any AI model. Full stop.
Pricing
Start writing for free
Ember is currently free while in early access. Pro plan coming soon.
Free
Everything you need to get started
Pro
For serious writers who want it all
Ember is currently free while in early access. Pro plan coming soon.
Ready to write
something great?
Download Ember for free and use a writing studio that adapts to you while keeping your work local.
Download for macOSRequires macOS 14 Sonoma or later