Grow your Substack by swapping subscribers with newsletters just like yours — but for a different profession.

No ads. No agencies. Just two writers with the same niche but different audiences agreeing to cross-promote. Both lists grow. Everyone wins.

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"Every swap means both writers get real, qualified subscribers — not bots, not cold traffic."

The SwapLtr promise

How it works

The mechanic is simple. The results are compounding.

Newsletter A

AI for Accountants

1,200 subscribers who love AI tools — but are all accountants. You want to reach lawyers, too.

SWAP

Newsletter B

AI for Lawyers

900 subscribers who love AI tools — but are all lawyers. You want to reach accountants, too.

Each writer features the other to their audience. Subscriber A gets 500+ new readers who already care about AI tools. Same for B. Zero cost. Zero algorithm. Just a handshake.

Same niche, different audience

SwapLtr matches you with writers covering the same topic — but for a completely different profession. High relevance, zero competition.

Qualified subscribers only

Swaps attract readers who genuinely care about your niche. Expect open rates to stay high and unsubscribes to stay low.

Compounding, not one-off

Do one swap a month and watch your list grow steadily. Every new subscriber can become a future swap partner.

◆ Limited early access

Be the first to swap.

We're opening SwapLtr to a small cohort of newsletter writers first. Join the waitlist and we'll reach out when your spot is ready.