Mailster
5.9#161 in email marketing softwareFrom $39 a yearSelf-hosted
VisitMailster vs Substack
What both publish
| Fact | Mailster | Substack |
|---|---|---|
| Audience segmentation | Yes | Yes |
| Email automation | Yes | Yes |
| Free plan | No | Yes |
| Integrations | Listed integrations include Gravity Forms, Mailgun, Gmail, SendGrid, Contact Form 7, Google Analytics and reCaptcha. | Official integrations include RSS, podcast distribution to Apple and Spotify, Google Analytics 4, Google Tag Manager, X and Facebook pixels, Google site verification, YouTube and LinkedIn account connections. |
Mailster plans
- Starter$39 a year
- Professional$49 a year
- Agency$99 a year
Substack plans
- Free publishingFree
- Free to startFree
- Custom domain$50, paid once
- Paid subscriptions—
Pick Mailster if…
You want what its maker publishes above — check its page for the details.
Pick Substack if…
Substack suits writers, journalists, podcasters, video creators, experts, educators, and media companies building a direct subscriber audience. It is useful for creators who want multiple media formats, audience discovery, segmentation, email automation, and paid subscription options.