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
"I went from 500 to 2,000 subscribers in 60 days. The headline analyzer alone is worth $100/month. My open rates jumped from 35% to 58%."
"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.
- ✓5 headline analyses per month
- ✓AI-powered scoring
- ✓Basic suggestions
- ✓Analysis history (last 10)
- ✓Email support
or $95/year (save 17%)
- ✓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
Join the Waitlist
Get early access + 50% off for life when we launch in 7 days
👥Join 500+ writers on the waitlist•📧Early access in 7 days
Join 500+ writers on the waitlist
⚡ Early access in 7 days • 🎁 50% off for life • 🚀 No credit card