For Substack writers in AI & productivity
Grow your Substack
without buying ads.
NextSub automatically matches you with complementary AI productivity newsletters and orchestrates subscriber swaps — so both writers grow together. Built-in fraud detection keeps every exchange honest.
- Automated swapsMatch with complementary writers and swap subscriber lists on your schedule — no cold emails, no negotiations
- Fraud detection built-inReal subscriber verification prevents fake inflation — every swap is audited before it goes live
- AI niche focusCurated only for AI productivity writers — your new subscribers already care about the topics you cover
Early Access
Join writers already on the waitlist
No spam. Unsubscribe anytime.
Limited offer
Become a Founding Member
Skip the waitlist. Get priority access to the platform the moment it launches — and lock in founding-member pricing that never goes up while you stay subscribed.
- ✦Priority matching — first in line for swap partners when we go live
- ✦Founding member badge — visible on your writer profile
- ✦Direct line to the team — shape the roadmap before public launch
- ✦Price lock — this rate never increases for you
One-time payment
$49
Lifetime early access
Claim founding access →Secure checkout via Stripe. Refund within 14 days if we don't launch.