Correct, natural English in every Mac app you write in
AI prompts that finish the job
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
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: 12 workflows and one free weekly email prompt. BuffNerf Prompt Pack: US$9 one-time for 72 prompts.
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