This sounds great. I would definitely love a splitwise alternative in particular!

You may want to think about using another name for your app suite though. Since it may bring confusion with the simple mobile tools (https://simplemobiletools.com/index.html) which for example also have a “Simple Notes” app.

Are you maybe using Windows? I’ve heard it can be slow sometimes, even on modern hardware.

I do actually use variables before I declare them most of the time. IDEs make it so easy to then generate the declaration with the correct type.

I do have that cabinet but I dared to open it 5 years ago. I hope I won’t lose my senior title