The content is deployed immediately through the Firebase CLI. Once it's uploaded, the content is served immediately. If you have made a mistake, you don't need to re-upload a new version, through the Admin dashboard you can easily rollback to a previous version.
Since you host Hoodie on your own infrastructure, you only get to pay hosting costs, compared to other hosted solutions where you also have to pay additional money to compensate for the reduced overhead of having to maintain your own infrastructure and installation.
Kuzzle has no hosted version. In order to use it, you have to install it to a remote machine. This can be cost-effective but it also adds overhead because you will have to take care of the hosting and backend infrastructure yourself.