# openote - AI Markdown Notes — AI Notes · FreeSync · OnePrice

> AI Notes · FreeSync · OnePrice (iPhone/iPad app by Wooyoung Kim.)

- Source: https://appshunter.io/ios/app/openote-ai-markdown-notes/id6761291760 (this page in markdown: same URL + `.md`)
- Developer: [Wooyoung Kim](https://appshunter.io/developer/1879266816)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: English, Japanese, Korean
- Released: 2026-04-01
- Data updated: 2026-07-08
- User reviews in markdown: https://appshunter.io/ios/app/openote-ai-markdown-notes/id6761291760/reviews.md

## What is openote?

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.


## Version history (last 4 releases)

### 2.0.1 — 2026-06-13

iCloud sync is now more reliable, keeping your notes safe and consistent across all your devices.
New sample notes help you get started right away.
Plus various stability and performance improvements.

### 2.0.0 — 2026-05-21

macOS support
- Native 3-pane layout, Cmd+, settings, Cmd+Shift+N quick note
- Use the same .md files across iPhone, iPad, and Mac via iCloud Drive

Improved iPad layout
- 2-column sidebar + note list + editor, optimized for iPad 13"

iPhone
- Quick Action: capture a note instantly from the lock screen
- Live Activity widget support

Enhanced AI (iOS 18.1+)
- Slash commands: /research, /translate, /expand, /tags
- AI summary, wiki link suggestions, backlinks panel
- Per-folder AI access control
- Inline AI bar, structuring suggestions

Knowledge Graph (new)
- Visual graph of connections between your notes
- Automatic community detection, insights panel (hubs / bridges / gaps)
- Graph Chat: ask questions across your knowledge graph

MCP integration
- One-click connection with Claude Desktop / Code

Editor improvements
- Direct Mermaid diagram insert sheet, in-app PDF preview
- Tag chips, date range filter, Inbox smart folder

Sync stability
- Major improvements in iCloud sync speed and reliability
- Optimized batch processing for large notes

Security
- AES-256-GCM at-rest encryption, AI sandbox
- OAuth 2.1 + PKCE, hashed token storage

Localization
- 200+ English and Japanese translation strings polished

Stability
- Fixed dark mode display issues
- Improved camera permission handling
- Accessibility and iPad layout fixes

### 1.0.1 — 2026-04-03

Improved bugs and stability.

### 1.0.0 — 2026-04-01

No release notes.

## More apps by Wooyoung Kim

- [Haru - Prenatal Story & Diary](https://appshunter.io/ios/app/haru-prenatal-story-and-diary/id6760256673)
- [TRIX: Eisenhower Task Planner](https://appshunter.io/ios/app/trix-eisenhower-task-planner/id6760659226)

All apps by Wooyoung Kim: https://appshunter.io/developer/1879266816

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-08.*