Add Substack subscribers

to your mailing listautomatically

No more exports, no more Zapier headaches. SubstackSync makes sure every new subscriber is instantly where they belong — your mailing list.

Works with:

See The Difference

Toggle between manual work and automated bliss

THE PROBLEM

Manually managing subscribers

Unread Notification

sarah.chen@example.com subscribed to your newsletter

⚠ Not in your mailing list yet

Unread Notification

mike.taylor@example.com subscribed to your newsletter

⚠ Not in your mailing list yet

Unread Notification

james.wilson@example.com subscribed to your newsletter

⚠ Not in your mailing list yet

Your Mailing List
1,244
Missing 3 new subscribers
Time spent this week: ~2 hours

Sound familiar? There's a better way.

How It Works

  1. 1New Substack subscriber signs up to your newsletter
  2. 2SubstackSync detects the new subscriber email
  3. 3Subscriber is automatically added to your mailing list 🎉

Why Do I Need This?

If you're thinking "Substack already sends my emails, why bother syncing?" — here's why smart creators use an ESP (Email Service Provider) alongside Substack:

Own Your Audience

Substack is great, but your list lives inside their system. If you ever want to move platforms or run parallel campaigns, you'll need those emails in your own tool.

Advanced Segmentation & Targeting

Want to send emails only to your paid subs, or only to free readers who clicked last week? ESPs like Kit, Mailchimp, or ActiveCampaign let you filter, tag, and slice your list however you want.

Automations You Can't Do in Substack

Welcome sequences, re-engagement campaigns, abandoned cart flows — Substack can't handle these. ESPs are built for automation that grows sales and keeps readers engaged.

Better Analytics

Substack statistics are minimal at best. ESPs let you track subscriber behavior across all your campaigns, products, and funnels.

Sell Beyond Substack

Got a course, product, or service outside Substack? ESPs are built for multi-channel selling — emails, SMS, retargeting, and more.

Future-Proof Your Business

Platforms change. Rules change. Deliverability changes. By syncing subscribers automatically, you're not locked into one ecosystem. You're in control.

Don't just write on Substack. Build an audience you truly own.

SubstackSync vs. The Rest

Built for Substack creators, not general automation

FeatureSubstackSyncMake.comZapier
Purpose-built for Substack
Setup timeUnder 2 minhourshours
No-code required
Starting cost$10/monthHigher for volumeHigher for volume
ReliabilityDirect detectionDepends on scenariosDepends on zaps
Support for ESPsNewsletter-focusedBroad connectorsBroad connectors

SubstackSync: Built for writers, not automation nerds.

Simple, Predictable Pricing

No surprises. No price spikes as you grow.

Starter Plan

$10/month
  • Up to 1,000 subscribers synced per month
  • Instant synchronization
  • All major ESPs supported
  • Email support

Need more? Contact us for custom plans

Predictable cost compared to Zapier/Make, where it skyrockets with volume

Frequently Asked Questions

Everything you need to know about SubstackSync