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Get Apollon

Choose the version that matches your context — see the Overview if you are still deciding.

Hosted webapp​

Open https://apollon.aet.cit.tum.de in a browser. No install, no account. Diagrams persist in your browser and can be shared by URL. Any current browser works — see Requirements.

iPhone and iPad​

Install Apollon - UML Modeling Editor from the App Store. The iOS app works without an account, keeps local diagrams on your device, and supports both iPhone and iPad.

If you used the previous native iOS app, install the new release as an update instead of deleting the app. The in-place update lets Apollon import compatible locally saved diagrams. See Support before updating if the diagrams are important and not backed up.

VS Code extension​

Install Apollon from the VS Code Marketplace (or Open VSX). Diagrams live next to your code as .apollon files.

Self-host​

Run the standalone yourself with Docker. See Deployment → GitHub Actions for the supported topology and required environment variables, and Contributor setup for a local dev stack.

Embed in your own product​

Apollon is published as an npm library, @tumaet/apollon. See the library docs for the embedding guides.