excel or phone app

[Help_me_pls]

Hi,
   who is the go-to person for excel or apps at the moment? Got something that runs ok, I admit its only a 1000 spins, being 4 in 1 system its hard to keep track just with a pen and paper.

Thanks

[Silence]

I can code apps using Python for the backend (logic) and Quasar for the frontend (User interface).