Best Network Diagram Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good network diagram apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Network Diagram Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LucidchartLucidchartFree4.6★ (5.3K)YesNoAug 2026
2DrawExpress Diagram LiteDrawExpress Diagram LiteFree3.7★ (25)NoNoAug 2026
3Flowdia DiagramsFlowdia DiagramsFree3.4★ (66)NoYesAug 2026
4UniFiUniFiFree4.7★ (22K)NoNoAug 2026
5Lekh: whiteboard & diagrammingLekh: whiteboard & diagrammingFree4.1★ (14)NoYesJul 2026
6Microsoft WhiteboardMicrosoft WhiteboardFree4.6★ (12K)NoNoAug 2026
7Dia-GramDia-GramFreeNoNoAug 2026
8SimpleMind - Mind MappingSimpleMind - Mind MappingFree4.5★ (978)NoYesAug 2026

Top Picks for Network Diagram

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
Flowdia Diagrams#3

Flowdia Diagrams by Behzad Gorimar

Flowchart & Diagramming
Worth Considering
📊 Productivity
3.4(66 ratings)
FreeIn-App Purchases
Flowdia Diagrams screenshot 1
Flowdia Diagrams screenshot 2
Flowdia Diagrams screenshot 3
Flowdia Diagrams screenshot 4

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.

More Network Diagram apps to explore

4
UniFi
UniFi
UniFi
Enterprise Network Management
Free

Manage your home or business IT network from a single interface. Easily set up WiFi, monitor traffic, secure your network with VPN, and gain insights with detailed analytics.

Centralized network managementWiFi setup and configurationTraffic routing
📊 Productivity
(22K)
free
5
Lekh: whiteboard & diagramming
Lekh: whiteboard & diagramming
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.

Infinite canvas for drawingSmart diagram and flowchart creationLayout and inspection report drawing
📊 Productivity
(14)
free with in-app purchases
6
Microsoft Whiteboard
Microsoft Whiteboard
Microsoft Whiteboard
Your digital smartboard
Free

This app offers a freeform digital canvas for individuals and teams to brainstorm, create, and collaborate visually. It supports touch, type, and pen input, allowing for seamless real-time teamwork from anywhere. Your work is automatically saved to the cloud for easy access across devices.

Infinite freeform canvasReal-time team collaborationTouch, type, and pen support
📊 Productivity
(12K)
free
7
Dia-Gram
Dia-Gram
Dia-Gram
by diagram ooo
Free

A social network for young athletes to showcase skills, connect with teams, and get scouted. It offers tools for player development, performance analysis, and communication for athletes, parents, and scouts.

Video highlight uploadsVirtual performance testsPlayer performance analysis
⚽ Sports
(0)
free
8
SimpleMind - Mind Mapping
SimpleMind - Mind Mapping
SimpleMind - Mind Mapping
Capture your ideas and notes
Free

Organize thoughts, capture ideas, and generate new concepts with a powerful mind mapping tool. Its intuitive interface allows for free-form or auto-layout creation, with options to add media, documents, and synchronize across devices. Share your mind maps in various formats or present them as slideshows.

Free-form and auto layout optionsAdd images, notes, icons, and linksVoice memos and video integration
📊 Productivity
(978)
free with in-app purchases
9
TinyPing - Network tools
TinyPing - Network tools
TinyPing - Network tools
Visual Ping/Traceroute
Free
🔧 Utilities
(0)
10
CharacterDiagram
CharacterDiagram
CharacterDiagram
by TAKAAKI OOKI
Free

Easily create person correlation diagrams on your iPhone. Visualize relationships and connections between individuals in a clear and organized manner.

Create person correlation diagramsVisualize relationshipsOrganize connections
🔧 Utilities
(2)
free
11
iNet - Network Scanner
iNet - Network Scanner
iNet - Network Scanner
Know Your Network...
Free
$1.99 | 100% OFF

Discover all devices on your local network, analyze services, and manage connected devices. Remotely control Macs and PCs, monitor network status, and customize device identification. This tool offers comprehensive network insights for both technical and casual users.

Device discovery (IP, MAC)Customizable device names and iconsPort and service scanning
📊 Productivity
(2.5K)
free with in-app purchases
12
Diagram: Daily Concept Summary
Diagram: Daily Concept Summary
Diagram: Daily Concept Summary
Learn concepts daily
Free

Discover new concepts daily across 10 categories including business, economy, and psychology. Interactive swiping, breathing breaks, and quizzes enhance memory retention. New content is added regularly to keep learning fresh.

Daily concept discovery100+ concepts10+ categories
📚 Education
(1)
free
13
Apollon - UML Modeling Editor
Apollon - UML Modeling Editor
Apollon - UML Modeling Editor
UML diagrams, anywhere
Free

Create UML and software design diagrams on your iPhone and iPad. Supports 13 notations, templates, and offline work. Export to various formats or share for collaboration.

13 diagram notationsTemplates and blank canvasTouch-friendly interface
🛠️ Developer Tools
(1)
free
14
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
Electrical One-Line Generator
Free
🔧 Utilities
(0)
15
Netbook
Netbook
Netbook
Netbook - Book for Networks
Free
📊 Productivity
(0)
16
Wifi Analyzer: Scan Network
Wifi Analyzer: Scan Network
Wifi Analyzer: Scan Network
WiFi Scanner & Detect Cameras
Free
🔧 Utilities
(0)
17
Hermes Network One
Hermes Network One
Hermes Network One
by Hermes Network Inc
Free
🔧 Utilities
(0)
18
Graphrio
Graphrio
Graphrio
Elegant Maths and Graphs Cal
Free
📚 Education
(0)
19
BTS Tracker
BTS Tracker
BTS Tracker
BTS Tracker
Free
🔧 Utilities
(0)
20
EMPTYSET NETWORK
EMPTYSET NETWORK
EMPTYSET NETWORK
by BACCUS (SINGAPORE) PTE. LTD.
Free
🔧 Utilities
(0)

FAQ about Network Diagram

What are the best network diagram apps for iPhone?
Lucidchart tops our network diagram apps ranking as of August 2026, with a 4.6-star average from 5.3K App Store ratings, and it's free to download.
Yes — 20 of the top network diagram apps we rank are free to download, including Lucidchart and DrawExpress Diagram Lite.
Lucidchart shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ network diagram apps on the iOS App Store as of August 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.