A fast, fluid Markdown editor for macOS and iOS that prioritizes your writing and file ownership. It offers robust features for organizing, linking, and exporting notes, all while working offline and without requiring an account.
1.2.2
September 17, 2026
- OuterlineDoc previews now adapt to the available width on iPhone for displays that need more room. - Syncing hardening across local based libraries and iCloud libraries.
MorePublish links to share your Outerline documents
Outerline is a native Markdown editor for macOS and iOS designed for focused writing. It allows users to create, organize, and export notes as plain .md files, ensuring file ownership and portability.
Yes, Outerline is designed to work entirely offline. Your files are stored locally on your device or in iCloud Drive, and you can write, edit, and manage them without an internet connection.
Every note created in Outerline is saved as an ordinary .md file in a folder of your choice. This can be on your iPhone, in iCloud Drive, or any other location accessible through the Files app, ensuring your data is not locked into a proprietary format.
Absolutely. Since Outerline uses standard .md files in folders you control, you can open and edit the same files in any other Markdown application on your devices. Your work is fully portable.
Outerline is a paid application, available for a one-time purchase of $9.99. Buying it on one platform (macOS or iOS) grants you access on both, and there is an optional subscription for 'Outerline Publish' at $1.99 per month.
Outerline has an age rating of 12+. This is based on the content and features available within the application.
The latest version, 1.2.2, was released on September 17, 2026, indicating a recent update. The app is actively developed, with the release date being August 26, 2026.
While Outerline itself does not have built-in real-time collaboration features, its use of standard .md files in shared folders like iCloud Drive allows for indirect collaboration. Users can share folders, and others can access and edit the files with compatible applications.
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