How Do You Manage Your Family's Monthly Budget?

Managing money with family is harder than managing it on your own, and I'm curious how people here deal with it month to month.

• Do you use spreadsheets, budgeting apps, or track everything manually?

• How do you keep track of shared expenses?

• What's the hardest part of managing household finances?

I'm building Vaulty, a family budget tracker for income, expenses, and budgets. What features would make managing family finances easier for you?