Flutter acts like a Windows app: you install and use it, bringing sanity to app development. React is like Linux: you be the mechanic. You chose. hackmd.io pro

Flutter acts like a Windows app: you install and use it, bringing sanity to app development. React is like Linux: you be the mechanic. You chose. hackmd.io provides a nice web interface you might use to flesh out the concept and see if markdown works out (I'm not affiliated). Good plan, good luck.