Outerline
The facts below are what the maker publishes about Outerline, checked and dated. Our editors have not written about it yet.
Plans and prices
From Outerline's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Outerline Publish | $1.99 a month | Publishing requires a free Outerline account and subscription · Monthly in-app subscription |
| Outerline | $9.99, paid once | Use on Mac and iPhone · One-time universal purchase for Mac and iPhone |
The facts
Each one read from Outerline's own pages, with the date it was checked.
What it does
- Annotations
- Users can highlight passages in five colors, attach notes, and add anchored comments without changing the Markdown.checked 11 Oct 2026
- Compatibility
- The App Store listing requires iOS 26.0 or later on iPhone and macOS 26.0 or later on Mac.checked 11 Oct 2026
- Export and backup
- Notes can be exported as Markdown, HTML, or PDF, and the library can be backed up as a zip.checked 11 Oct 2026
- Export formats
- standardchecked 22 Sep 2026
- Files
- Notes are ordinary Markdown files stored in a folder the user chooses, with no proprietary format.checked 11 Oct 2026
- Integrations
- Outerline supports Siri and Shortcuts; the Mac app also offers an optional local MCP server for AI assistants.checked 11 Oct 2026
- Links
- Wikilinks connect notes, and an inspector shows backlinks and external links.checked 11 Oct 2026
- Offline use
- The app works offline and does not require an Outerline account to write.checked 11 Oct 2026
- Organization
- The app supports nested folders, starred documents, and colored inline tags.checked 11 Oct 2026
- Privacy
- The privacy policy says Outerline does not transmit documents to its servers except documents explicitly published through an Outerline account.checked 11 Oct 2026
- Product
- Outerline is a native Markdown editor for Mac and iPhone.checked 11 Oct 2026
- Publishing
- Publishing a note to a shareable link requires a free Outerline account and an Outerline Publish subscription; other app features work without either.checked 11 Oct 2026
- Publishing tools
- Yeschecked 22 Sep 2026
- Support
- Outerline Help provides Mac and iPhone guides covering editing, links, publishing, backups, and AI setup.checked 11 Oct 2026
- Sync
- Outerline for macOS can sync the same library as iOS, and the website identifies iCloud as a sync option.checked 11 Oct 2026
- Version history
- Automatic timestamped snapshots, a diff viewer, and one-tap restore are available.checked 11 Oct 2026
- Writing tools
- Features include syntax highlighting, autosave, full-text search, word count, reading time, and editor preview.checked 11 Oct 2026
Money
- Free plan
- Nochecked 22 Sep 2026
Where it runs
- Mobile apps
- Yeschecked 22 Sep 2026
Alternatives to Outerline
- 1
Overleaf
Free planOpen sourceWebAPIExtensionLinux9.2From $8.25 a month - 2
Story Architect
Free planOpen sourceAndroidiOSLinuxmacOS9.2From $4.17 a month - 3
Celtx
Free planAndroidiOSWebExtension9.0From $11.24 a month - 4
Substack
Free planAndroidiOSWebAPI9.0$50 one-time - 5
WriterDuet
Free planAndroidiOSWebLinux9.0From $9.99 a month - 6
Calmly Writer
Free planAndroidWebLinuxmacOS8.6Free plan