openote - AI Markdown Notes

openote — On-device AI Markdown Notes

AI that runs on your device. Standard .md files. iCloud Drive sync.
openote keeps your notes truly yours.

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WHY OPENOTE?

iCloud Drive sync
openote syncs your notes across all your devices through your own iCloud Drive. No third-party servers in between.

On-device AI (iOS 18.1+)
Summarize a note in one tap. Get smart tag suggestions. Turn plain text into Mermaid diagrams. Powered by Apple Foundation Models running entirely on your device — fully offline, no data leaves your device.

Real-time Mermaid diagram preview
Write diagrams in markdown and see them render instantly. Flowcharts, sequence diagrams, class diagrams — no plugins, no internet required.

Standard .md files
No proprietary format. Open them in any editor, on any platform. Move them out anytime. Truly lock-in free.

No account. Fully offline.
No sign-up. No email collected. No tracking. AI runs only on your device.

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CORE FEATURES

Markdown Editor
- Real-time syntax highlighting
- Auto-save every 0.5 seconds
- Customizable toolbar (markdown, lists, Mermaid shortcuts)
- Word and character count

Smart Search
- Full-text search across title and body (FTS)
- Highlighted search results
- Korean, English, and Japanese search support

Tags and Folders
- #hashtag syntax for instant categorization
- Tag autocomplete
- Folder-based organization

AI Features (iOS 18.1+)
- Note summary (one tap)
- Smart tag suggestions
- Text to Mermaid diagram conversion

Mermaid Diagrams
- Live preview
- Pinch to zoom and pan
- Offline rendering (no CDN required)

Export
- PNG export
- Open .md files on Mac

Siri and Shortcuts
- "Create a note in openote"
- "Search openote for..."
- Spotlight search integration

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PRO UPGRADE

For power users who want more:
- Unlimited AI usage
- 10+ premium themes (Midnight, Nord, Dracula, and more)
- Transparent PNG, PDF, SVG export
- 3x high-resolution output
- 12+ exclusive Pro app icons
- Accent color customization

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WHAT MAKES OPENOTE DIFFERENT

- Syncs through your own iCloud Drive
- AI runs on your device, not on a server
- Native Mermaid preview, no plugins
- Notes are standard .md files you can open anywhere

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PRIVACY

- No account required
- No email collected
- Notes never sent to any server
- AI runs entirely on your device
- iCloud uses only your own Apple account

Your notes are yours alone.


openote — Write freely. Own everything.