There is a section for saving. It says goals. I’ve been using it.I downloaded this and it looks great for budgeting, I think something simple like this
Loot - Savings Goal & Tracker
Keep track of your savings goal in a personalised 3D money jar and feel rewarded for every dollar you put away! Loot helps you calculate how long it will take you to save for your goal based on the amount you want put away. A savings plan is created for you and you’ll receive push notifications to…apps.apple.com
Or this
A simple savings tracker...