5 Free Block Diagram Apps for Android

Here is a list of 5 free block diagram apps for Android. There are lots of web applications and software to create block diagrams on desktops. But if you are looking for Android apps, this list can help you out to pick an app that fits your needs.

All these block diagram apps are absolutely free. Some of these apps come with a limitation on how many diagrams you can create. The limit applies to the diagrams that you keep in your library. You can always delete old diagrams to make new ones.

These apps offer a template library from where you can add shapes. Then customize those shapes to make your diagrams. Most apps also feature a shape library containing pre-built shapes for various types of diagrams such as ML, AWS, Azure, GCP, Network Diagrams, Flowcharts, Process Maps, Mind Maps, Venn Diagrams, etc.

My Favourite Block Diagram App for Android

Lucidchart is my favorite block diagram app for Android. This app features a decent shape library that includes pre-built shapes for various types of diagrams. It has a drag and drop editor where you can drag a shape from the toolbar and customize it as per your needs. Apart from the diagrams, it also supports Microsoft Visio formats that allow you to view VDX, VSD, VSDM, and VSDX formats in this app. It has integration with Google Drive, GSuite, and other team communication apps. In the end, you can export your diagram to PDF and generate a shareable link to share it online instantly.

You can also check out our list of best free Poster Design AppsResume Builder Apps, and Steganography Apps for Android.

Lucidchart

Lucidchart is a free flowchart, diagram, and Visio viewer app for Android. It is the same as the popular Lucidchart web application but on mobile. It can also import and open Microsoft Visio files along with VDX, VSD, VSDM, and VSDX formats. Users can create an account or sign up with a social media account (Google, Microsoft, Facebook, etc.) to keep store their documents. All the saved documents sync to the cloud and easily accessible across platforms.

In terms of features, it packs a template library and shapes library. This combines with drag and drop editor makes it easy to create different types of diagrams. The documents can be exported to PDF and share online via a shareable link. It also has integration with Google Drive, MS Office, and many other team communication platforms.

Main Features:

  • Create and edit existing diagrams
  • Drag and drop editor
  • pre-built template library
  • In-editing comments
  • Import Images in the diagrams
  • Supports VDX, VSD, VSDM, and VSDX formats
  • Export to PDF
  • Email share & shareable link
  • Shapes library (UML, AWS, Azure, GCP, Network Diagrams, Flowcharts, Process Maps, Mind Maps & Venn Diagrams)
  • Integration with GSuite, Google Drive, MS Office, MS Teams, Slack, Jira, Etc.

Flowdia Diagrams Lite

Flowdia Diagrams Lite is another free block diagram maker app for Android. This is easy to use diagram tool that allows to make and keep up to 4 active diagrams in the free tier. It features a drag and drop editor where users can create their own shapes and drag and drop shapes from the library. It is a nice app to make block diagrams, flowcharts, BPMN, mind maps, network diagrams, Rack Diagrams, UML diagrams, business, processes, and more.

Main Features:

  • Create diagrams
  • Drag and drop editor
  • pre-built template library
  • Import Images
  • Shapes Library
  • Export to PDF & Image (watermark in free version)

DrawExpress Diagram Lite

DrawExpress Diagram Lite is a free block diagram maker app for Android. This app features a simple interface to create diagrams in an intuitive way. It features a shape library for UML, DrawExpress, and general diagrams. The free tier allows users to create and keep up 5 diagrams in their library. The diagrams can be exported to PNG, SVG, and DrawExpress formats.

Main Features:

  • Create diagrams
  • Drag and drop editor
  • Import Images
  • Export to PNG, SVG, and DE (DrawExpress) formats
  • Shapes library

Lekh Diagram

Lekh Diagram is a free block diagram maker app for Android. It is a fairly simple app that comes with a small library of shapes. Users can drag and drop the shapes to create diagrams. It has a shape recognition feature that automatically converts a randomly hand-drawn shape into a perfect geometrical shape. Users can create any number of diagrams with this app and export them to JPG, PNG, SVG, and LEKH file formats.

Main Features:

  • Create and edit existing diagrams
  • Drag and drop editor
  • pre-built template library
  • Geometrical Shape recognition
  • Export to JPG, PNG, SVG & LEKH

Flowchart Editor Lite

Flowchart Editor Lite is a simplified block diagram maker app for Android. This app is designed to create flowcharts in minimal time. It features a simple editor where users can add shapes and arrange those as per the diagrams. Then connect those shapes to make the flow of the chart. After creating the diagrams, users can save them in PNG and XML file formats. Do note that, this app can only save the diagrams in XML format; it can not re-open those XML files.

Main Features:

  • Create diagrams
  • Drag and drop editor
  • Export to PNG
Shobhit
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