Overview of the available instances:
https://fediverse.network/pixelfed
https://the-federation.info/pixelfed
App with Pixelfed support for Android: https://fedilab.app/
Public profiles are public on Pixelfed: https://pixelfed.social/ubports
App with Pixelfed support for Android: https://fedilab.app/
Public profiles are public on Pixelfed: https://pixelfed.social/ubports