Best Diagrams.net Apps

248+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated October 2026

Out of 248+ diagrams.net apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Diagrams.net Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flowdia DiagramsFlowdia DiagramsFree3.4★ (66)NoYesOct 2026
2LucidchartLucidchartFree4.6★ (5.3K)YesNoNov 2026
3Diagrams Notepad 3Diagrams Notepad 3Free3.5★ (52)NoYesOct 2026
4BuildCAD - Design & DWG ViewerBuildCAD - Design & DWG ViewerFree—NoYesSep 2026
5REBT ProREBT ProFree—NoYesOct 2026
6MarkChart - Mermaid EditorMarkChart - Mermaid EditorFree4.0★ (14)NoYesOct 2026
7Apollon - UML Modeling EditorApollon - UML Modeling EditorFree3.0★ (2)NoNoOct 2026
8Drawing Studio: Draw & AIDrawing Studio: Draw & AIFree3.5★ (2)NoNoOct 2026

Top Picks for Diagrams.net

Flowdia Diagrams#1

Flowdia Diagrams by Behzad Gorimar

Flowchart & Diagramming
Editor's Choice
📊 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.

Lucidchart#2

Lucidchart by Lucid Software Inc

Flowchart & Diagram Maker
Strong Contender
📊 Productivity
4.6😞(5.3K ratings)
FreeAds
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

More Diagrams.net apps to explore

FAQ about Diagrams.net

What are the best diagrams.net apps for iPhone?
Flowdia Diagrams tops our diagrams.net apps ranking as of October 2026, with a 3.4-star average from 66 App Store ratings, and it's free to download.
Yes — 19 of the top diagrams.net apps we rank are free to download, including Flowdia Diagrams and Lucidchart.
Flowdia Diagrams has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ diagrams.net apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.