Grow your Substack newsletter by swapping recommendations with complementary finance writers
Get matched with Substack writers in your niche. Recommend each other's newsletters and watch your subscriber counts grow — together.
Built for
Indie Substack writers in personal finance, side hustles, crypto, investing & budgeting
Whether you have 500 or 50,000 subscribers, cross-promotion is the fastest organic growth channel for newsletter writers. Crossub makes it effortless.
How It Works
Three steps to faster growth
Sign Up
Create your profile with your Substack details, niche, and subscriber count. It takes 30 seconds.
Get Matched
Our algorithm finds complementary writers in your niche — people whose audience would love your content, and vice versa.
Grow Together
Swap recommendations and track your subscriber growth in real time. Both writers win.
Pricing
Simple, transparent pricing
Start free. Upgrade when you're ready to go all-in on growth.
Paid plans open in secure Stripe checkout. Select one paid tier by removing the other line item before payment.
Free
Perfect for getting started
- 1 recommendation swap per month
- Basic writer matching
- Community access
Pro
For writers serious about growth
- Unlimited newsletter swaps
- Analytics dashboard
- Priority matching
- Featured placement
Premium
White-glove growth service
- Everything in Pro
- Managed outreach
- Custom landing pages
- Verified growth metrics
Early Access
Join the waitlist
Be the first to get matched when we launch. Early adopters get Pro features free for 3 months.