Best Diagram Create Apps

211+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated July 2026

Lucidchart is the household name in diagram create, but it's far from the only option. We track 211+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Diagram Create Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LucidchartLucidchartFree4.6★ (5.3K)YesNoAug 2026
2Lekh: whiteboard & diagrammingLekh: whiteboard & diagrammingFree4.1★ (14)NoYesJul 2026
3Morpholio Trace - Sketch CADMorpholio Trace - Sketch CADFree4.7★ (11K)NoYesAug 2026
4Mind MappingMind MappingFree4.6★ (343)YesYesAug 2026
5Flowdia DiagramsFlowdia DiagramsFree3.5★ (65)NoYesMay 2026
6Grafio 4 - Diagram MakerGrafio 4 - Diagram Maker$9.993.8★ (252)NoYesJul 2026
7MindFlow - Struct Flow DiagramMindFlow - Struct Flow DiagramFree4.4★ (31)YesYesMay 2026
8Flowchart CreatorFlowchart CreatorFree4.0★ (2)NoNoJul 2026

Top Picks for Diagram Create

Lucidchart#1

Lucidchart by Lucid Software Inc

Flowchart & Diagram Maker
Editor's Choice
📊 Productivity
4.6😞(5.3K ratings)
FreeAdsIn-App Purchases
Lucidchart screenshot 1
Lucidchart screenshot 2
Lucidchart screenshot 3
Lucidchart screenshot 4
Lucidchart screenshot 5

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.

What We Love

  • 🚀 Intuitive interface
  • 👍 Great for creating diagrams and flowcharts
  • 💡 Useful templates and shapes

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Locked features behind paywall
  • 👎 Poor mobile experience compared to web version
Lekh: whiteboard & diagramming#2

Lekh: whiteboard & diagramming by LEKHAPP LLC

Diagram & Flowchart Maker
Strong Contender
📊 Productivity
4.1(14 ratings)
FreeIn-App Purchases
Lekh: whiteboard & diagramming screenshot 1
Lekh: whiteboard & diagramming screenshot 2
Lekh: whiteboard & diagramming screenshot 3
Lekh: whiteboard & diagramming screenshot 4
Lekh: whiteboard & diagramming screenshot 5

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.

Morpholio Trace - Sketch CAD#3

Morpholio Trace - Sketch CAD by Morpholio LLC

Design & Architecture Drawing
Worth Considering
🎨 Graphics & Design
4.7😊(11K ratings)
FreeIn-App Purchases
Morpholio Trace - Sketch CAD screenshot 1
Morpholio Trace - Sketch CAD screenshot 2
Morpholio Trace - Sketch CAD screenshot 3
Morpholio Trace - Sketch CAD screenshot 4
Morpholio Trace - Sketch CAD screenshot 5
Morpholio Trace - Sketch CAD screenshot 6

This app is a comprehensive design and architecture drawing tool. It allows users to sketch, layer ideas, and communicate designs through markups. It supports various file types and offers tools for creating professional-quality drawings to scale.

What We Love

  • 🚀 Powerful sketching and drawing tools
  • 🔍 Accurate scale and measurement features
  • 👍 Intuitive and easy to use
  • 💡 Innovative stencil and perspective tools

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Requires account creation to use
  • 💰 Subscription-based pricing model

More Diagram Create apps to explore

4
Mind Mapping
Mind Mapping
Mind Mapping
Brainstorm with ease
Free

Organize your thoughts and ideas into structured visual formats like mind maps, flowcharts, and outlines. This app offers extensive customization, sharing, and export options for seamless idea management.

Diagrams and mind mapsFlowcharts and outlinesMultiple color themes and styles
📊 Productivity
(343)
subscription
5
Flowdia Diagrams
Flowdia Diagrams
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.

Create flowcharts, mind maps, BPMN, and network diagramsIntuitive shape connection and element additionCustomizable shape appearance
📊 Productivity
(65)
free with in-app purchases
6
Grafio 4 - Diagram Maker
Grafio 4 - Diagram Maker
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.

Automatic shape recognitionDrag and drop stencilsEmbed images
📊 Productivity
(252)
paid
7
MindFlow - Struct Flow Diagram
MindFlow - Struct Flow Diagram
MindFlow - Struct Flow Diagram
simple struct and flow diagram
Free

Easily create structure and flow diagrams with a simple interface. Edit branches, change shapes and themes, and export your creations. Cloud backup and sync across devices are also supported.

Quick diagram buildingEasy branch editingCustomizable branch shapes
📊 Productivity
(31)
free with in-app purchases
8
Flowchart Creator
Flowchart Creator
Flowchart Creator
Create flowcharts
Free

Easily visualize ideas, processes, and workflows with a powerful diagramming tool. Customize shapes, text, and connections to create clear and visually appealing flowcharts for any project. Perfect for students and professionals alike.

Diverse flowchart elementsCustomizable text and elementsAdjustable connection styles
📚 Education
(2)
free
9
Flow Chart, Block Diagram
Flow Chart, Block Diagram
Flow Chart, Block Diagram
FlowChart & Workflow Creator
Free

Easily create complex flowcharts and diagrams on a tablet with an automatic layout algorithm and shape recognition. Design professional business graphics using a variety of smart shapes for different diagram types, then export your creations to multiple formats.

Automatic layout algorithmHand-drawn shape recognitionHundreds of pre-designed smart shapes
📊 Productivity
(11)
free with in-app purchases
10
DrawExpress Diagram Lite
DrawExpress Diagram Lite
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.

Gesture-based diagrammingFlowchart creationUML diagramming
📊 Productivity
(22)
free
11
Simple Sequence Diagram AI
Simple Sequence Diagram AI
Simple Sequence Diagram AI
AI Sequence Diagram Creator
Free
🛠️ Developer Tools
(0)
12
AI Text To Diagram Generator
AI Text To Diagram Generator
AI Text To Diagram Generator
Create Mindmaps, & Flowcharts
Free
📊 Productivity
(0)
13
EdrawMax - AI Diagram Maker
EdrawMax - AI Diagram Maker
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.

Photo to editable diagram conversionAI-powered diagram generation40,000+ templates and 17,000+ symbols
📊 Productivity
(28)
free with in-app purchases
14
Diagrams Notepad 3
Diagrams Notepad 3
Diagrams Notepad 3
Diagram - Flowchart - Mind Map
Free
$22.99 | 100% OFF

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.

Cross-device sync via iCloudVector-based shapes and connectorsApple Pencil support
📊 Productivity
(51)
free with in-app purchases
15
Xmind: AI Mind Map, Brainstorm
Xmind: AI Mind Map, Brainstorm
Xmind: AI Mind Map, Brainstorm
Outline, Plan, Notes & Slides
Free

This app is a comprehensive tool for mind mapping and brainstorming, helping users organize thoughts, manage projects, and visualize information. It offers various structures, templates, and customization options to enhance creativity and productivity. Collaborate in real-time and export your work in multiple formats.

30+ Templates9 Structure TypesAudio Notes
📊 Productivity
(7K)
free with in-app purchases
16
Electrical Diagram Maker
Electrical Diagram Maker
Electrical Diagram Maker
Electrical schematic maker
Free
🔧 Utilities
(0)
17
Simple Diagram
Simple Diagram
Simple Diagram
by Nhat Linh Dang
Free
🔧 Utilities
(0)
18
DrawExpress Diagram
DrawExpress Diagram
DrawExpress Diagram
by DrawExpress Inc
$7.99

Create diagrams and flowcharts intuitively using simple gestures, similar to drawing with pen and paper. This app supports various diagram types for software design, business, and education. Export your creations in multiple formats.

Gesture-based drawingDiagram and flowchart creationSupports UML, BPMN, Mind Maps
📊 Productivity
(30)
free with in-app purchases
19
GG AI Diagram
GG AI Diagram
GG AI Diagram
Create diagrams with AI.
Free
🛠️ Developer Tools
(0)
20
Pie Diagrams by iMathics
Pie Diagrams by iMathics
Pie Diagrams by iMathics
by Alexandra Hamburg
Free

Easily create and customize pie and meter charts with an intuitive interface. The app allows for direct data entry and real-time preview, with options to modify colors and duplicate existing charts for further editing. Print your creations directly from your device.

Create pie and meter chartsIntuitive chart creationTable editor for data entry
💼 Business
(36)
free

FAQ about Diagram Create

What are the best diagram create apps for iPhone?
Lucidchart tops our diagram create apps ranking as of July 2026, with a 4.6-star average from 5.3K App Store ratings, and it's free to download.
Yes — 18 of the top diagram create apps we rank are free to download, including Lucidchart and Lekh: whiteboard & diagramming.
Lucidchart shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 211+ diagram create apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Lucidchart is a visual workspace that allows users to create and collaborate on various types of diagrams, including flowcharts, mind maps, org charts, and UML diagrams. It facilitates data visualization and real-time teamwork to enhance understanding and drive innovation.
The app allows you to create and edit documents, start with pre-built templates, and use drag-and-drop functionality. It also offers offline viewing of recent documents, real-time collaboration with in-editor commenting, and easy sharing options.