Get New Subscribers on Autopilot

Create a Substack Referral Program in Minutes & Turn Your Subscribers into Your Marketing Team
Takes less than 3 minutes, set it and forget it.

no credit-card required

How It Works?



Create an account with your email, Google, or Twitter account. No credit card required!

create an account on subshark
set milestones and rewards


Create a Referral Campaign

Set milestones, choose rewards and create your referral program.


Share Referral Link

Paste the campaign link into your newsletter, tweets or any social media posts.

share your campaign link
refer friends and family


Sit back

Let your subscribers do the magic. Subscribers use their unique referral link to refer their friends and family and bring in new audience to your newsletter!

Everything you need to grow your subscribers.

All the tools you need to run a referral campaign, reward your referees and grow subscribers!

Start by creating a campaign for your referrals.

Loved by writers worldwide.

Simple, easy to use interface is why people love using SubShark.

    • I've used Subshark for my Substack referral program because it's easy to use and effective. I like it a lot and will definitely suggest it to whomever wants to implement a referral program. Kudos to the creators and I hope they keep up the good work.

      Prowling The Markets Substack
    • This is exactly what I needed to create a referral program for my Substack. The tool is super easy to understand and has everything I need.

      Substack writer
    • If you’re trying to find a new way to get subscribers, use this tool.

      Substack writer

Frequently asked questions

Can't find the answer you're looking for? Reach out to our customer support team.

Does Subshark only work for Substack?
No! Subshark can be used on any email, blog, or webpage platform. Simply paste your referral program link to any platform to allow your readers to access your referral program.
Does Subshark integrate with Substack?
At the moment, Subshark does not directly integrate with Substack. Currently Substack does not offer an API for integrations.
How do you add your subscribers to Substack?
To add your referred emails to your Substack, simply download the CSV file from your campaign dashboard and upload it to your Substack subscriber page.
How do I send rewards to my Subscribers?
When a subscriber reaches a referral milestone, you will be notified to send the reward. You can choose to fulfill the rewards yourself or use our done-for-you fulfillment service. Please contact us for more info on our fulfillment services!
Can I use Subshark for free?
Yes, we offer a free 14-day trial! Get access to all features and cancel anytime.


Grow your Newsletter.

Build the audience of your dreams. Create a Substack Referral Program in Minutes.