Correct, natural English in every Mac app you write in
How modern teams write to convert.
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
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Pricing
Free: unlimited spelling, 30 grammar checks, 10 AI actions and 20 predictions per day. Pro: $144/year or $20/month, everything unlimited. Team: $15/seat/month or $180/year per seat.
Free: $0 per month, unlimited members, 1 voice, 3 templates, MCP server. Business: $8 per user per month billed yearly (save 20%). Enterprise: coming soon.
Key features
Real-time spelling and grammar correction in any macOS app
Fixes explained in your language (11 languages supported)
Tone checking and adjustment for different contexts
Rewrite and rephrase suggestions
Explain incoming messages and generate replies
Write in your language and get English translations
Word predictions and auto-complete
Personal dictionary and learning words
Works in Mail, Slack, Teams, GitHub, Notion and 10+ other apps
Team plan with shared brand rules and dictionaries
Brand voice definition with tone, style rules and linguistic behavior configuration
MCP integration to connect with Claude, ChatGPT, Cursor and other AI tools
Audience context configuration for targeted messaging
What makes it different
Designed specifically for non-native English speakers with fixes explained in 11 languages
Works in-app without switching windows or copying and pasting
Cloud checks discarded immediately, never stored or used for training
Unlimited spelling fixes even on free plan with no account required
Enforces brand consistency automatically across all AI tools without extra steps or manual prompting
Brand voice lives in the tools as enforceable parameters rather than in unread PDF style guides
Works with every AI tool your team uses through MCP integration
Solves the mechanical inconsistency problem that AI creates at scale
WriteNative
Brivvy