Apps Like UMLBoard for iPhone and iPad
UMLBoard screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



MarkChart - Mermaid Editor
Alexandre Colucci
Edit diagrams and preview flowcharts
Edit diagrams with built-in templates for sequence, state, and flowcharts. Create diagrams from scratch or integrate with external editors. Automatically update diagrams when changes are made in external files.






Sunburst Diagram
Ludovic Landry
Visualize and interact with diagrams
Visualize and interact with diagrams to explore hierarchical data. Adjust parameters dynamically. Render diagrams using a tree of objects. Sync with GitHub for open-source code.

FSNotes
Oleksandr Hlushchenko
Organize notes with Markdown and iCloud
Organize notes with folders and tags. Edit markdown and preview content. Use iCloud Drive with subfolders. Share notes via extensions. Support dynamic fonts and dark mode. Encrypt notes with TextBundles. Search notes quickly.



Runestone Text Editor
Simon Stovring
Edit code with syntax highlighting and line
A plain with syntax highlighting for multiple languages. Includes line numbers, search and replace, and a page guide. Supports code editing with customizable settings and efficient file management.


Scriptable
Simon Stovring
Write scripts for iOS features
Create automation scripts using JavaScript to integrate with iOS features like files, calendars, and reminders. Build custom widgets for the Home Screen to display any data and adjust appearance.

Text Editor.
TAPUNIVERSE LLC
Edit files from your device and cloud
Edit files including TXT, RTF, , CSS, and JS. Browse and modify content locally or in the cloud via iCloud, Google Drive, and Box. Customize fonts and styles. Use rich formatting. Share files directly. Enable dark mode for reduced eye strain.

Textastic Code Editor
Alexander Blach
Edit , connect to servers, run commands
Allows editing and text with syntax highlighting for over 80 languages. Connect to SFTP, FTP, WebDAV, or Dropbox. Use built-in SSH terminal for server access. Save and export files directly.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.