Grow Your Substack
3x Faster with AI
Stop staring at blank screens. Get AI-powered headlines, hooks, and Twitter threads that actually get readers.
✓ 7-day free trial✓ No credit card required✓ Cancel anytime
Sound familiar?
You spend 3 hours writing, but your open rates are stuck at 30%
Your headlines feel generic and don't grab attention
You struggle to promote on Twitter effectively
You're not sure if your hooks are working
Your subscriber count barely moves week over week
Everything you need to grow faster
Powerful AI tools built specifically for Substack writers
Headline Analyzer
Get instant scores and AI suggestions to make your headlines irresistible. Know exactly what to fix before you publish.
Hook Generator
Create opening paragraphs that keep readers scrolling. AI analyzes top performers in your niche.
Thread Creator
Turn your posts into viral Twitter threads automatically. Promote without the hassle.
Writers love SubstackGrow
"My open rates went from 32% to 61% in two months. The headline analyzer is like having a copywriting expert on call 24/7. Worth every penny."
"This is the only tool I use daily. The Twitter thread feature saved me 10 hours a week. My posts now reach 10x more people."
Simple, Transparent Pricing
Start free — upgrade when you're ready to unlock unlimited power.
Perfect to get started
- 5 headline analyses per month
- AI-powered scoring
- Basic suggestions
- Analysis history (last 10)
- Email support
- Unlimited headline analyses
- Advanced AI suggestions
- AI-generated headline alternatives
- Full analysis history
- Priority support
- Export analysis reports
- Early access to new features
💳No credit card required • Cancel anytime
Trusted by 500+ writers
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👥Join 500+ writers on the waitlist•📧Early access in 7 days
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⚡ Early access in 7 days • 🎁 50% off for life • 🚀 No credit card