I would think it's more of a beginner-friendly choice for those who are new to NixOS and find NixOps a bit difficult to learn.

Select a starter, have it all deployed and configured for you, do some coding, push to git and click deploy.

One of the goals of Shipnix is to have a good selection of starters to just get started quickly with building and shipping products. And I hope it can be a gateway drug for increased adoption of NixOS in the bootstrapper, freelancer and digital agency space.

For a veteran in NixOS and NixOps that already likes that flow, it might not be that interesting