Apps on

An app on can be anything from a simple frontend web app to a complex arrangement of processes and Machines all doing their own thing. Check out the Fly Apps overview for details.

Fly Launch

If you’re looking to deploy an app on, you probably want Fly Launch. Use Fly Launch to create your app and then manage the whole lifecycle, from starting to scaling to changing and redeploying.


Store sensitive data, like usernames and passwords, as secrets in your app. Secrets are made available to the app as environment variables.

Production apps

Get your app ready for production on