Correct, natural English in every Mac app you write in
Stage
Not given
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Founded
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Based in
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Pricing model
Paid
Freemium
Pricing
Starter: $39/month with 250 monthly credits and one site. Pro: $79/month with 750 monthly credits and unlimited sites. Top-up credits cost $0.15 each and start at 250 credits.
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.
Key features
Keyword and topic research grounded in live search data
AI article writing in multiple formats (guide, how-to, listicle, comparison)
YouTube video to blog post conversion
Brand voice training from your existing content
Automatic internal linking to your own pages
AI-generated images in your chosen style
Multi-language content creation (50+ languages)
Publishing to WordPress, Ghost, Shopify, Framer, or webhooks
Search Console monitoring and ranking optimization
Automated publishing campaigns with credit caps and cadence control
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
What makes it different
Continuous optimization loop that improves pages after publishing based on actual search performance
Full editorial control with all articles as drafts until you approve publication
Articles start from live research with inspectable sources, not blank prompts
Flexible credit system lets you allocate budget to research depth, images, or edits based on your priorities
Voice rules learned from your edits automatically improve future drafts
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
Kitful
WriteNative