Now accepting early access

Grow your Substack. Swap smarter.

PenSwap matches indie Substack writers in the side hustle & entrepreneurship niche for engagement-rate-matched subscriber swaps — so you grow with the right audience.

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500+
Writers on waitlist
3.2×
Avg. subscriber growth
89%
Match satisfaction rate

The Process

Three steps to a bigger audience

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STEP 01

Connect your Substack

Link your Substack newsletter in seconds. We analyze your engagement metrics — open rates, click rates, and audience quality.

Takes under 2 minutes
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STEP 02

Get matched by engagement

Our algorithm finds writers with similar engagement rates and audience overlap in the entrepreneurship niche. No mismatch, no wasted swaps.

Smart matching algorithm
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STEP 03

Swap and grow

Coordinate a shoutout swap with your match. Both audiences are warm and relevant. Watch your subscriber count climb.

Real growth, real readers

Early Access

Join 500+ Substack writers already swapping

Be the first to access PenSwap when we launch. Early members get priority matching and founding member perks.

Priority matching
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Free forever tier

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Sarah, Eric & 498 others already joined