Budget Builder Overview
The Budget Builder is where BetterBudgets does its actual work. You describe your financial situation across five sections, tap Calculate, and the app returns a set of complete plans projected forward on your pay schedule.
The five sections
You work down the Builder in order. Each section feeds the next, and the calculation needs all of them.
General — a name and notes for this budget. See Naming Your Budget.
Income — every source of income, its frequency, your next payday, and your current savings. See Income & Current Savings.
Housing — rent or a mortgage, on its own screen. See Housing.
Expenses — every other recurring cost, each with an amount, frequency, and due date. See Expenses.
Debts — every balance you're paying down, with its rate and minimum payment. See Debts.
Housing is separate from Expenses on purpose. It's usually the largest committed cost in a budget, and a mortgage can be treated differently from rent when the algorithm looks at where money is best spent. Keeping it distinct also means the dashboard can report on it on its own.
What happens when you tap Calculate
The app works out how much money each of your paychecks has left after housing, expenses, and minimum debt payments — then explores different ways of spending that surplus. Put more of it toward debt and you finish sooner but live tighter. Put more toward savings and the reverse.
Rather than picking one answer, the Builder returns several plans at different intensities so you can choose the tradeoff yourself.
What you get back
A typical result is five plans:
- ›Minimum Effort
- ›Slightly Aggressive
- ›Aggressive
- ›Extremely Aggressive
- ›Maximum Effort
They're listed longest-running first, so Minimum Effort sits at the top and Maximum Effort at the bottom.
Fewer plans appear when your situation doesn't support the full range. With a narrow surplus you might get two — Minimum Effort and Aggressive. If there's only one workable path, you'll see a single plan called The Only Way when you have debts, or The Plan when you don't.
Each plan shows the total you'll have saved and the date you'll have saved it by. Expanding one reveals its duration, the estimated date your balances reach zero, how much time it saves against the baseline, and a T-chart of the flow.
Full detail: Understanding Your Results.
Accuracy and where it matters
The plan is a projection built entirely from your inputs, so it inherits their errors. Not all inputs matter equally:
- ›Debt balances and interest rates matter most. They drive the payoff sequencing, and a wrong rate can reorder the whole plan.
- ›Income and housing matter a lot, because they set the size of the surplus everything else works from.
- ›Variable expenses matter least. A grocery estimate that's off by $40 will not meaningfully change your results.
Round where you must, but don't deliberately understate expenses to make the projected dates look better. The plan will simply be one you can't follow.
Rebuilding
Nothing here is locked in. When your income changes, a debt gets paid off, or you move, you can edit the inputs and recalculate. Every budget you've built is kept in the Archive.