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
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
What You Deal With
Manual CSV Exports
Download subscriber list from Substack weekly
Copy-Paste Hell
Import emails one by one into your ESP
Lost Subscribers
Miss leads between manual syncs
Time Wasted
Spend hours each week on tedious admin work
Sound familiar? There's a better way.
How It Works
- 1New Substack subscriber signs up to your newsletter
- 2SubstackSync detects the new subscriber email
- 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
Feature | SubstackSync | Make.com | Zapier |
---|---|---|---|
Purpose-built for Substack | |||
Setup time | Under 2 min | hours | hours |
No-code required | |||
Starting cost | $10/month | Higher for volume | Higher for volume |
Reliability | Direct detection | Depends on scenarios | Depends on zaps |
Support for ESPs | Newsletter-focused | Broad connectors | Broad connectors |
SubstackSync: Built for writers, not automation nerds.
Simple, Predictable Pricing
No surprises. No price spikes as you grow.
Starter Plan
- 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