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: $0 forever with daily allowance after 7-day trial. Pro month: $1.99 for 30 days. Pro year: $19.99 for 365 days.
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
Fix with grammar and tense correction
Native rewrite suggestions
Works in every application with text boxes
Suggested replies with four options
Translation between languages
Custom snippets with shortcuts
Personal writing style customization
Explanation of corrections
Optional chat context for tone matching
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
No subscription, pay once with no auto-renewal
Works across all Mac applications through accessibility
Preserves personal writing voice with customization
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
nonolingo
Click Oracle