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Budgeting app too complicated? Try one number
The simplest budget that still works is one number: what you can spend this month, divided by 30, minus what you’ve spent today. Leave categories, envelopes and reports for later, and add each one only when it answers a question you actually have.
The short answer
If your budgeting app feels like a second job, you don’t need a better system yet. You need a smaller one. Pick one monthly figure for everyday spending, divide it by 30, and log each purchase against today’s number. That’s a working budget on day one, with no setup weekend.
Why detailed budgets get abandoned
In October 2026 we read and coded 1,737 one- to three-star App Store reviews of budgeting apps from the US, mainland China, Japan, Taiwan, Mexico and Spain. About one in eleven said the app was too complicated or took too much work. In the US sample it was nearly one in five. The figures show how often a complaint comes up in negative reviews, not how many users feel that way.
The complaints follow a pattern:
- Setup before any payoff. Envelope and zero-based methods ask you to give every dollar a job before you can log a single coffee.
- Every purchase needs a decision. Picking and fixing categories turns a two-second entry into a small chore, many times a day.
- Too many features. Goals, net worth, reports and charts compete with the one thing you opened the app to do.
- Updates add steps. A redesign that adds a tap or moves a button breaks a habit you’d only just built.
None of this makes detailed methods wrong. They work well for people who enjoy them. But if you’ve quit twice, the setup was probably the problem, not you.
The one-number method
- Find your everyday spending money. Take-home pay, minus fixed bills (rent, phone, subscriptions), minus what you’ll save first. If that’s too much to work out today, pick a figure you know you can live on and correct it next month.
- Divide by 30. That’s your daily number.
- Log everything that isn’t a fixed bill, right after you pay, and take it off today’s number.
- Set two rules. Money you don’t spend carries over to the next days, up to a cap. Money you overspend comes out of the next days, in full.
- Look at one number a day: what’s left today.
| Everyday spending per month | Divided by | Daily number |
|---|---|---|
| $900 | 30 | $30 |
| $1,200 | 30 | $40 |
| $1,500 | 30 | $50 |
The amounts only show the arithmetic. The guide to a daily allowance walks through step 1 in detail, including what to do if you’re paid every two weeks.
What to skip at first
| Skip for now | Why it can wait | Add it when |
|---|---|---|
| Detailed categories | The daily number works without them. Accept whatever category is suggested. | You’ve logged for a month and want to see where the money went. |
| Envelopes or zero-based plans | They need every dollar planned before you start. | You log steadily and want tighter control of a few areas. |
| Reports and charts | They need weeks of data to say anything. | You have a full month to look back on. |
| Logging fixed bills | Rent and subscriptions barely change. Take them out once in step 1. | A bill changes. |
| Goals, net worth, investments | They answer a different question from “can I buy this today?” | Day-to-day spending is under control. |
When to add more
Add one thing at a time, and only when the one number raises a question it can’t answer:
- You’re below zero most days. The daily amount is too high for how you actually live. Revisit the fixed bills and savings in step 1 before adding anything else. The guide to running out before payday covers this case.
- One kind of spending keeps eating the number. Track that one category, such as delivery or nights out, rather than twenty.
- Annual fees or gifts keep wrecking single days. Set them aside each month as a fixed bill instead.
- You budget with someone else, or want all your accounts and balances in one place. That’s a different job, and you may need a tool built for it.
How My Money keeps it to one number
In short
- Start with one figure: everyday spending money for the month ÷ 30.
- Log everything that isn’t a fixed bill, and check what’s left today.
- Skip categories, envelopes and reports until you’ve logged for a few weeks.
- Add one thing at a time, and only to answer a real question.
Sources
- Apple Support: Use Back Tap on your iPhone (111772) · accessed Oct 27, 2026