Grow your AI newsletter by swapping audiences with writers like you.
Looplit auto-matches indie Substack writers in the AI productivity niche, orchestrates weekly subscriber swaps, and A/B tests which partnerships actually convert to paid.
- ✓Skip the waitlist — access on day one
- ✓Lock in founding-member pricing forever
- ✓Direct input on the roadmap
- ✓Founding member badge on your profile
How the loop works
Fully automated. Zero cold outreach. Just compounding audience growth.
Connect your Substack
Link your newsletter in seconds. Looplit reads your engagement metrics — opens, clicks, paid conversions.
Get matched with similar writers
Our algorithm finds writers in the AI productivity niche whose audiences overlap with yours on interest and engagement patterns.
Auto-swap subscriber lists weekly
Each week, Looplit orchestrates a list swap with your matched partners — reciprocal, opt-in, and tracked per-swap.
A/B test what converts
See which swaps drive paid subscriber growth with built-in split testing. Double down on the partnerships that work.
Ready to close the loop?
A small cohort of founding members gets day-one access. Spots are limited.