Best Diagram Create Apps

211+ iOS apps curated and reviewed

4.0 avg rating
17 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)NoYesSep 2026
4Mind MappingMind MappingFree4.6★ (379)YesYesSep 2026
5Flowdia DiagramsFlowdia DiagramsFree3.4★ (66)NoYesSep 2026
6Grafio 4 - Diagram MakerGrafio 4 - Diagram Maker$9.993.8★ (252)NoYesAug 2026
7MindFlow - Struct Flow DiagramMindFlow - Struct Flow DiagramFree4.4★ (33)YesYesAug 2026
8Flowchart CreatorFlowchart CreatorFree4.0★ (6)NoNoSep 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
  • 🚫 Not available for individual users, only teams/enterprises
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 Vectorworks, Inc.

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
  • 📚 Helpful tutorials and customer support

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Requires account creation to use
  • 💰 Subscription-based pricing model
  • 🔍 Limited layer management and editing options
  • 🖼️ Raster-based rather than vector-based

More Diagram Create apps to explore

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 — 17 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.