Grow your Substack by swapping subscribers with writers like you
SubRoster matches indie Substack writers in the Gen Z personal finance niche — then automates subscriber swaps based on engagement data, so you grow without the hustle.
Become a Founding Member
Platform access · Swap matching · Conversion analytics
Or join the free waitlist
Paid conversions
+340%
← 3 months of subscriber swaps
Latest match
Zara's Finance Corner
4.2k subs · 68% open rate
How it works
Four steps from signup to paid growth
Connect your Substack
Link your publication in seconds. We pull your posting frequency, open rates, and subscriber growth — no manual uploads.
Match with compatible writers
Our algorithm pairs you with writers in the Gen Z personal finance niche who post at a similar cadence and have comparable engagement scores.
Auto-swap subscriber lists
Coordinated cross-promotion happens automatically — your audience gets a curated rec, their audience gets yours. No awkward cold DMs.
Track paid conversions
See exactly which swaps turned free readers into paid subscribers. Double down on what works, skip what doesn't.
800+
Writers on waitlist
4.2×
Avg subscriber growth
62%
Free→paid conversion
$0
Cost to get started
Founding Member · Limited spots
Stop grinding for followers.
Start swapping smart.
Lock in founding member pricing before we open to the public.
Founding Member
One-time founding rate · locked in forever
- Full platform access at launch
- Subscriber swap matching engine
- Paid conversion analytics dashboard
- Priority matching in the network
- Founding member badge + Discord
Secure checkout via Stripe · Cancel anytime
Not ready to commit? Join the free waitlist instead.