I despise the fact that most Android phones start with a 6-inch screen. I was resolute to switch to an iPhone mini next time when I'll change phones but then they also killed that product line. π«
I really miss the time I can do everything with one hand using only one thumb.
The tool is for budgeting so I would say use what is readable for you. Using IBAN for payee sounds like an overkill. You can still manage your payees and merge them later differently.