Correct, natural English in every Mac app you write in
Know which headline wins before you spend traffic on it.
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Freemium
Not given
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/month with 5 rankings and 60 Claude-written options monthly. Creator: $19/month with 100 rankings and 2,500 options. Pro: $49/month with 600 rankings and 6,000 options. Agency: $149/month with 3,000 rankings and 20,000 options.
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
Head-to-head comparison of up to 200 variants
Bradley-Terry model ranking with calibrated odds
Honest uncertainty verdicts: Clear, Lean, Too close to call
Brand profiles to calibrate accuracy on your audience
Works for YouTube titles, subject lines, ad headlines, and article headlines
Accuracy measured on 9,841 held-out A/B tests
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
82% accuracy on clear calls, trained on thousands of real A/B tests never seen during tuning
Honest about uncertainty instead of always crowning a winner
56 times cheaper than Claude Sonnet while maintaining comparable accuracy
Custom calibration to your audience's behavior via brand profiles
Compare versions in both orders to cancel out model bias
WriteNative
Click Oracle