Outerline
6.6#105 in writing appsFrom $1.99 a monthiOSmacOS
VisitOuterline vs Substack
What both publish
| Fact | Outerline | Substack |
|---|---|---|
| Free plan | No | Yes |
| Integrations | Outerline supports Siri and Shortcuts; the Mac app also offers an optional local MCP server for AI assistants. | 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. |
| Mobile apps | Yes | Native iOS and Android apps provide reading, subscriptions, push notifications, saved posts and mobile earnings or statistics views. |
| Privacy | The privacy policy says Outerline does not transmit documents to its servers except documents explicitly published through an Outerline account. | Substack's privacy policy says it endeavors to protect personal information but cannot guarantee complete security. |
| Publishing | Publishing a note to a shareable link requires a free Outerline account and an Outerline Publish subscription; other app features work without either. | The platform supports written posts, newsletters, podcasts, video, live streams, and pages in one publishing flow. |
Outerline plans
- Outerline Publish$1.99 a month
- Outerline$9.99, paid once
Substack plans
- Free publishingFree
- Free to startFree
- Custom domain$50, paid once
- Paid subscriptions—
Pick Outerline 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.