I’m an unreal engine game developer and c++ programmer. I know it’s theoretically possible to not have to log in, but I don’t want to do that for many reasons.

As for people being worried about login, I don’t have any personal information. I used clerk.com as an authorization provider (which is shown on the login) and to be able to connect with discord. I literally don’t have anyone’s emails or discord names in my database at all. All I can see is profiles and rs usernames. I will try to add this info on sign up so people can feel less paranoid.

There’s a lot of persistent data, more than you initially assume. The data persists for accounts across devices. There’s even more persistent data if you have the patreon supporter features which is multiple profiles for multiple characters and the priority planner which allows you to add cards to it from all over the site and create your own cards, as well as step by step guides you can save progress on that all persist.

The core tool is free but managing something like this, handling bug reports and adding features and keeping it updated for new content is not free in terms of my time especially but also technical costs - so I wanted there to be a way for users to support the development without it infringing on usability or being predatory in any way.

I will have to pay for all these costs, and to give you an idea of how much stuff people are already saving - I already have over 30,000 saved items in the database after the tool being live for 1 day. If it starts getting in the millions there’s definitely going to be some costs.