MailOptin
6.9#70 in email marketing softwareFrom $99 a yearFree planWebSelf-hosted
VisitMailOptin vs Substack
What both publish
| Fact | MailOptin | Substack |
|---|---|---|
| Audience segmentation | Yes | Yes |
| Email automation | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | Listed integrations include Mailchimp, ActiveCampaign, Salesforce, Brevo, HubSpot, WooCommerce, and many other email, CRM, and WordPress tools. | 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. |
| Privacy | MailOptin's privacy policy says it takes reasonable steps to protect personal data and only transfers it where adequate controls are in place. | Substack's privacy policy says it endeavors to protect personal information but cannot guarantee complete security. |
MailOptin plans
- Standard$99 a year
- Pro$289 a year
- Agency$499 a year
- MailOptin LiteFree
- Lifetime Pro$999, paid once
Substack plans
- Free publishingFree
- Free to startFree
- Custom domain$50, paid once
- Paid subscriptions—
Pick MailOptin 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.