Now accepting early signups

Grow your Substack faster with subscriber swaps

CrossPost matches you with newsletter writers in your niche. You recommend each other's Substacks to your subscribers — and both of you grow faster. No ads, no spam, just writers helping writers.

Built for Substack writers who want to grow

I grew from 500 to 2,000 subscribers in 3 months just by cross-promoting with writers in my niche.

Alex R.

Tech & Culture newsletter

Finding the right swap partners used to take hours. CrossPost does it in seconds.

Jordan M.

Finance newsletter

The subscribers I get from swaps are way more engaged than from any other channel.

Sam K.

Health & Wellness newsletter

How it works

Four simple steps to start growing your newsletter with cross-promotion.

Step 1

Connect your Substack

Link your newsletter so we can understand your content and audience.

Step 2

Get matched

We find writers in your niche with a similar audience size — great fit, zero guesswork.

Step 3

Cross-promote

Recommend each other to your subscribers through a mention, post, or dedicated swap.

Step 4

Both grow faster

You get highly engaged subscribers from a trusted recommendation. They do too. Win-win.

Simple, transparent pricing

We only make money when you grow. Seriously.

Growth Plan

Freeto match

15% of the subscriber value generated from swaps

  • Unlimited niche-matched swaps
  • No upfront cost — ever
  • Only pay when you actually grow
  • Dashboard to track swap performance
  • Cancel anytime, keep your subscribers
Join the waitlist

Ready to grow faster?

Join the waitlist and be the first to get matched when we launch.

No spam, ever. We'll only email you when we launch.