- As a mobile web app: in the Share menu of your browser, select 'Add to Home Screen' or 'Install'.
- As a browser homepage: go to Settings => Homepage => Open this page =>
https://online.bonjourr.fr. You can use a third party browser like Firefox if you want to do this on iOS.
Bonjourr will be available as a real extension for Safari on iOS and iPadOS in the coming months.