Best Diagrams Notepad 3 Apps

OmniGraffle 3

Precise, Beautiful Graphics

Free

Create precise and beautiful graphics, diagrams, and mockups on your iPad and iPhone. Organize your thoughts visually and communicate complex ideas clearly with a professional interface and extensive object libraries. Ideal for both beginners and professionals.

Sketch Pad 3

Unlimited Canvas

Free

This app provides an unlimited digital canvas for doodling, sketching, drawing, and note-taking. It offers various pen sizes, colors, editing tools like cut and paste, and export options to multiple platforms. Work is automatically saved for easy continuation.

Dexa: UML Class Diagrams

Design & Visualize UML Graphs

Free

Create and visualize UML class diagrams on Apple devices. Design visually on a canvas or use PlantUML/Mermaid code. Supports various relationship types and exports high-resolution diagrams with a Pro upgrade.

ExcalidrawZ

Whiteboard & Diagrams

Free

This app enhances a popular web-based drawing tool by adding essential file management features. It offers automatic saving, file grouping, and cloud synchronization to ensure your creations are always accessible and secure across devices.

Notepad - write your ideas

Take notes & create checklist

Free

Capture your thoughts, to-do lists, and commitments with this intuitive note-taking app. Save all your important information on a single screen for quick access. Features include multiple drawing brushes, various backgrounds, and checklist functionality.

Grafio 4 - Diagram Maker

Sketch, chart & explain ideas

$9.99

Easily create diagrams, charts, and visual explanations of your ideas. This app features automatic shape recognition, a vast library of stencils, and the ability to add audio notes and images to your creations. It's designed for intuitive use by everyone, not just professionals.

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.

Notepad by mathies

by OAME

Free

This app allows users to record mathematical thinking by writing solutions, sketching diagrams, and creating graphs. Users can customize backgrounds, use text and pencil tools, and add various drawing objects. Work can be shared via screenshots.

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.

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.

MDash: Writing App & Notes

Markdown text editor & reader

Free

This app is a plain text Markdown editor that stores your notes locally. It offers live rendering of Markdown, including diagrams, and syncs across Apple devices. Advanced features like PDF export and iCloud sync are available through a Pro subscription.

Color Notepad

Make your notes app unique

Free

A clean and simple note-taking app that lets you personalize your experience with over 20 colorful themes. It offers a minimalist design for distraction-free writing, iCloud sync, and robust backup options.

Drawing Studio: Draw & AI

draw.io, Excalidraw, Mermaid

Free

This app combines freehand sketching, structured diagrams, and professional visuals into a unified workspace for knowledge management. Organize notes with folders, revisit past versions, and sync across Apple devices via iCloud. Export your creations in PNG or SVG formats.

Flowchart Designer 3

A Simple Flow Chart Maker

Free

Easily create professional flowcharts, org charts, and process diagrams with a variety of templates and styling options. Organize complex ideas with containers and smart connectors on an infinite canvas. Export your creations in PDF or PNG format.