Merkdown
Markdown & Mermaid with AI
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Merkdown is a clean, powerful Markdown editor with built-in Mermaid diagram support and AI-powered content generation.
Write and preview Markdown in real time, create beautiful diagrams, and let AI help you generate content — all in one app.
KEY FEATURES
Markdown Editor
Write Markdown with a clean, distraction-free editor. Switch between Edit and Preview tabs instantly. Autosave keeps your work safe.
Mermaid Diagrams
Create flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, pie charts, mindmaps, timelines, and more — 14 diagram types rendered right in the preview.
AI Content Generation
Let AI write Markdown and Mermaid diagrams for you. Describe what you need, choose a diagram type, and generate content instantly. Powered by advanced AI technology.
Share & Export
Export your work as Markdown (.md), HTML (.html), or Image (.png). Share with anyone directly from the app.
HIGHLIGHTS
- Real-time Markdown preview
- 14 Mermaid diagram types supported
- AI-powered Markdown and diagram generation
- Export as Markdown, HTML, or PNG image
- Open .md files from other apps
- Dark mode support
- Autosave option
- Available in 8 languages
- Free to use (watch ads for AI coins)
Write it down. Mermaid it out. Merkdown.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
v1.0.10 (2026-06-20)
Fixed external .md files not opening on cold start. Now prompts to save unsaved changes before loading.
The developer, HYUNWOO LEE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- HYUNWOO LEE
- Size
- 34.3 MB
- Category
- Productivity
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Infrequent
Profanity or Crude Humor
Mature or Suggestive Themes
Horror/Fear Themes
Medical Treatment information
Sexual Content or Nudity
Contains
Advertising
- Copyright
- © 2026 EnooSoft