No prices set in stone yet but it will be around 10 per monthly user, 20 for pro accounts.
There will be an option to self host as a single stateless executable/ docker container (plus db) and also to do two way sync with github issues, jira, notion and linear. So the company going away should be less of a danger than with pt.
It works offline with instant interactions and near 1:1 match of features to tracker. (But with a much improved and refreshed UI)