Every iPhone needs a few good flow chart diagram apps. We benchmark 243+ 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 Flow Chart Diagram Apps (September 2026)
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.
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.
What We Love
👍 Easy to use
🚀 Intuitive and straightforward
💡 Versatile for various diagramming needs
🚀 Smooth and efficient
👍 Simple and practical
👍 Great value for the price
Room to Improve
🐛 Occasional crashes or bugs
🔧 Limited functionality in free version
🔧 Difficult to edit or delete certain elements
🔧 Lack of advanced features compared to other tools
What are the best flow chart diagram apps for iPhone?
Flow Chart, Block Diagram tops our flow chart diagram apps ranking as of September 2026, with a 2.8-star average from 11 App Store ratings, and it's free to download.
Are there free flow chart diagram apps for iPhone?
Yes — 17 of the top flow chart diagram apps we rank are free to download, including Flow Chart, Block Diagram and Flowchart Designer 3.
Does Flow Chart, Block Diagram have ads or in-app purchases?
Flow Chart, Block Diagram has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many flow chart diagram apps are on the App Store?
We track 243+ flow chart diagram apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What can I create with this app?
This app allows you to create complicated flowcharts and diagrams. You can design professional business graphics, including Swimlanes, Venn charts, Data flow diagrams, Process flow diagrams, Workflows, Business process models (supporting BPMN 1.2 and 2.0), Chevron and circular diagrams, infographics, and more.
How does the app make drawing diagrams easier?
The app features a unique automatic layout algorithm for connections and diagram objects, as well as recognition of hand-drawn shapes and a dynamic grid. This means you don't need to precisely position shapes on the screen, making the process quick and easy.