Best Uml Diagrams Apps

Flowdia Diagrams

Flowchart & Diagramming

Free

Create professional flowcharts, mind maps, and various other diagrams with an intuitive interface. Easily connect shapes, add elements, and customize your designs. Export your work in multiple formats, including PNG, JPG, PDF, and SVG.

Grapholite Diagrams Maker

FlowChart & Infographics

Free

Create a wide range of business graphics and technical drawings, from simple sketches to professional documents. Features include freehand drawing recognition, extensive stencil libraries, and advanced connection routing. Export to various formats like PDF, PNG, SVG, and Visio.

Diagrams Notepad 3

Diagram - Flowchart - Mind Map

Free

Create and sync diagrams, flowcharts, and mind maps across iPhone, iPad, and Mac. Supports Apple Pencil for drawing and offers collaboration features. Export in various formats.

UMLite

Plant-UML

Free

Quickly create, view, and share UML diagrams on your mobile device. Features a line-numbered editor for efficient diagramming and live previews to see your designs instantly. Export your creations and customize their appearance with various themes.

DrawExpress Diagram Lite

by DrawExpress Inc

Free

Create diagrams and flowcharts quickly and intuitively using simple gestures. Ideal for software design, business, and academic needs, it offers a pen-and-paper like experience for various diagram types.

PrivyMermaid: AI Diagram

Generate, Fix & Edit Diagrams

Free

This privacy-focused editor allows developers and technical writers to create, edit, and preview diagrams completely offline. Your sensitive data remains on your device, ensuring maximum security and control over your diagrams.

Lucidchart

Flowchart & Diagram Maker

Free

Create and view diagrams like flowcharts, mind maps, and org charts on your mobile device. This visual workspace facilitates real-time collaboration and data visualization. Diagrams sync instantly to your account and can be exported in various formats.

Mermaid Editor - MMChart Live

Markdown, flowchart, diagram

Free

Create and visualize complex diagrams on your mobile device with a powerful editor. Supports real-time previews, syntax highlighting, and a wide range of chart types. Export your work in various formats and manage files locally.

Lekh: whiteboard & diagramming

Diagram & Flowchart Maker

Free

This app provides an infinite canvas for freehand drawing and creating various diagrams. It intelligently converts sketches into precise shapes and connections, supporting a wide range of diagram types for business, design, and planning.

MarkChart - Mermaid Editor

Mermaid diagrams

Free

This app allows you to easily create and preview diagrams using a Markdown-inspired text syntax. It offers templates for various diagram types and supports automatic updates when used with external editors. Export your creations to common image formats.

EdrawMax - AI Diagram Maker

Drawing Struct, Org, Flowchart

Free

This AI-powered diagramming tool transforms your ideas into professional visuals effortlessly. Create flowcharts, org charts, mind maps, and more with extensive templates and smart AI assistance. Collaborate seamlessly and export to various formats.

Graph Editor

Flowchart&diagram editing tool

Free

Create and edit complex graph structures visually. This tool simplifies the process of drawing networks with nodes and edges, offering customization options for appearance and layout. Export your diagrams in multiple popular formats.

Bar Diagrams by iMathics

by Alexandra Hamburg

Free

Easily create and customize bar and line charts with an intuitive interface. Visualize your data in real-time as you enter it and print your creations directly from your device. Explore examples and experiment with colors for the best data representation.