Web app has usually the least friction, unless when it's not. For this particular app, it can be a very simple widget on the website homepage even. Shouldn't re

Web app has usually the least friction, unless when it's not. For this particular app, it can be a very simple widget on the website homepage even. Shouldn't require any js framework etc and all data will be local in your browser. As a demo widget or full blown html/JS app, both can work.