By playing around with the app, I can totally see that this supersedes Google Sheets and Apps Script by a long way. Yes, the UI layer and the API accesses. In the backend, I feel a lot of interesting things are going around - their relational engine natively supports collaboration, type support, revision history. All your mini blocks can be packaged into one big "base" which forms your workspace.
All of this can be done ... without writing a single line of code, which is impressive!
All of this can be done ... without writing a single line of code, which is impressive!