Complete OS › Budget & bills

Know where the month stands before the bill lands.

Complete OS is not a spreadsheet you have to remember to open. It tracks what you spend by category, reads upcoming bills off your calendar, detects your payday, and puts a plain "you are on track / you are not" into the same Daily Brief that runs the rest of your day.

Why most budgets die by the second week

A budget only works if you look at it, and nobody opens a finance app for fun. Complete OS solves the looking problem instead of the math problem: the budget check shows up in your day when it is relevant — a few days before a bill, the morning after payday, the week you are running hot — so you never have to go find it.

Spending by category

Set a weekly or monthly amount per category and watch the running total against it. The Budget Check card in your Daily Brief says the one thing that matters: on track, or not.

Bills from your calendar

Upcoming bills are read from your calendar events, so a rent or car-payment reminder you already keep becomes a line in your budget without retyping it. Google Calendar sync keeps it current.

Payday detection

The app learns when you get paid and frames the budget around it — what is due before the next check, and how much of it is already spoken for.

Ask Echo about your money

"Can I afford the concert this weekend?" is a question Echo, the AI assistant, can answer with your categories, your bills, and your payday in view — not a generic tip.

A budget that sees your calendar and your meal plan

Money is downstream of everything else you plan. Because the budget lives with your calendar, meal plan, and tasks, the app can connect them: a week with a big event on the calendar, a grocery list that maps to a food category, a bill due the day before payday. Separate apps cannot make that connection — one app can.

Frequently asked questions

Does it connect to my bank?

No. Complete OS is a manual, category-based budget by design — you enter spending, and the app does the tracking, bill timing, and payday math. There are no bank logins to hand over.

How does payday detection work?

You tell the app your pay schedule, or it picks it up from a recurring payday entry, and every budget view is framed around the next check — what is due before it and what is left after it.

Is the budget part of the same subscription?

Yes. Complete OS is one plan at $9.99/month with everything included — budget, habits, tasks, meals, workouts, notes, and Echo — with a 14-day free trial and no card required to start.

Download Complete OS on the App Store, get it on Google Play, or use the full web app. One plan, everything included, 14-day free trial, no card required.

More of Complete OS

Habit tracker · Meal planner · Workout tracker · Shift work planner