MarkChart - Mermaid Editor
Alexandre Colucci Developer Tools iPhoneiPadiPod touchMac
MarkChart - Mermaid Editor is a free Developer Tools app for iPhone and iPad by Alexandre Colucci. Rated 4.0/5 from 14 ratings. Requires iOS 18.2.
- Rating
- 4.0
- 14 ratings
- Price
- Free
- on the App Store
- Size
- 56 MB
- Age 4+
- Updated
- Oct 19
- 2026 · v5.1
Screenshots
About MarkChart - Mermaid Editor
Create beautiful Mermaid diagrams at the speed of thought. MarkChart gives you a focused editor, live preview, visual canvas, built-in templates, and polished exports in a native iPhone and iPad app. Mermaid is a Markdown-inspired syntax for defining diagrams with text. Use MarkChart to create flowcharts, sequence diagrams, state diagrams, class diagrams, entity relationship diagrams, Gantt charts, timelines, mind maps, Venn diagrams, pie charts, requirement diagrams, Git graphs, user journeys, and more. Start with a template, edit the Mermaid source with syntax highlighting, refine your diagram visually on the interactive canvas, then share it as PDF, PNG, or SVG. CREATE BEAUTIFUL DIAGRAMS Turn Mermaid text into polished diagrams in a focused iPhone and iPad app. EDIT MERMAID DIAGRAMS Create and edit your Mermaid diagrams directly in MarkChart. THEMES AND SYNTAX HIGHLIGHTING Choose polished themes and understand your diagram source with syntax highlighting. VISUAL EDITING Edit diagrams visually with the interactive canvas. TEMPLATES Instantly create sequence diagrams, state diagrams, flowcharts and more. DIAGRAM TYPES Create flowcharts, sequence diagrams, state diagrams, Venn diagrams, mind maps, timelines, Gantt charts, Git graphs, class diagrams, entity relationship diagrams, user journeys, pie charts, Sankey diagrams, XY charts, and more. QUICK LOOK Preview your .mmd and .mermaid files right from the Files app. EXPORT Easily export your diagrams to PDF, PNG, and SVG formats. SHORTCUTS Create automations with the Shortcuts app. FITS RIGHT AT HOME MarkChart is optimized for iOS and iPadOS, with Dark Mode support. MARKCHART PRO MarkChart Pro is an optional one-time universal purchase for iOS, iPadOS, and macOS. Privacy Policy: https://markchart.app/privacypolicy/ Terms of use: https://markchart.app/terms/ If you have any questions or ideas, please reach out at [email protected]
Ratings & reviews
4.0
14 ratings
What’s new
Version 5.1 · Updated October 19, 2026
- Write Mermaid diagrams faster with context-aware text completion - Choose when text completion appears: automatically, on demand, or never - Added diagram thumbnail previews - Ready for iPhone Duo - Added syntax highlighting to examples in Help - Bug fixes and performance improvements If you enjoy the app, please consider leaving a rating or review. Your support makes a difference!
App privacy
The developer, Alexandre Colucci, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to MarkChart - Mermaid Editor
Looking for apps like MarkChart - Mermaid Editor? Here are 6 similar apps on the App Store. The highest rated is Mermaid Editor - MMChart Live (4.7/5), and 5 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| MarkChart - Mermaid Editor | 4.0 / 5 (14 ratings) | Free | October 19, 2026 | |
| Mermaid Editor - MMChart Live | 4.7 / 5 (13) | Free | May 7, 2026 | Compare |
| MermaidEditor | 2.3 / 5 (10) | 3.99 USD | Aug 10, 2025 | Compare |
| Markdown Mermaid | – | Free | Jun 24, 2026 | Compare |
| Apollon - UML Modeling Editor | 3.0 / 5 (2) | Free | Aug 5, 2026 | Compare |
| UMLite | 2.0 / 5 (1) | Free | Sep 8, 2026 | Compare |
| PrivyMermaid: AI Diagram | – | Free | Oct 29, 2026 | Compare |