Comparison
CrestCast vs YNAB
Neither is a spending tracker, and they disagree about how far ahead to look. YNAB plans this month with money you already hold, and says so. CrestCast forecasts ahead, from the money that has not arrived yet: the pay rise, the remortgage, the next ten years. If the question on your mind is about next year rather than this month, CrestCast is the one built around it.
| CrestCast | YNAB | |
|---|---|---|
| Main job | Forecast where a UK household is heading, and test decisions against it | Give every pound you already hold a job, so this month adds up |
| Which way it looks | Forwards, over months and years | At now. Its own guide to irregular income has a section headed "Why Forecasting Doesn't Work" |
| What you plan with | Income and costs you expect, including ones that have not happened yet | Only money already in your accounts. Future months allocate cash in hand, not expected income |
| Bank connection | None. You enter what it knows, or import a CSV | Yes. Direct Import, which in the UK is provided by Plaid under Open Banking, plus a UK-only Apple Wallet route |
| Net worth | Forecast forwards: assets, debts and equity at a date years out | Reported backwards, in its Reflect tab |
| Debt | Clearance dates for every debt in the household model | Loan Planner shows the time and interest remaining on a loan or mortgage. Its simulator is web only, and it is not designed for credit cards |
| Scenarios | Save versions of the plan and compare them side by side | Extra-payment what-ifs inside Loan Planner, and no scenario comparison beyond that |
| Sharing | One subscription covers the household, with joint, personal and household views | YNAB Together: up to six people on one subscription, you plus five, each with their own login |
| Price | 30 days free, no card. Then £7.99 a month or £79.99 a year for the whole household. | $14.99/mo or $109/yr, priced in US dollars, so UK customers pay in dollars. 34-day free trial with no card |
| Country | UK only | US company, incorporated in Utah, with a UK subsidiary. The UK is on its list of 18 European countries for bank feeds |
YNAB's prices correct as at 16/09/2026. Taken from ynab.com, with the rest of the row checked against its support documentation, its guides and its UK and EEA terms. YNAB prices in US dollars only, so what a UK card is charged moves with the exchange rate on the day and this figure cannot be stamped in pounds.
YNAB and You Need A Budget are trademarks of their owner; this comparison is independent and is not affiliated with or endorsed by YNAB.
The real difference is not a feature, it is a philosophy
YNAB does not lack forecasting by accident. It rejects it on principle. Its own guide says forecasting “can result in a false feeling of financial control”, and its documentation tells you to plan using only the funds you have on hand right now. That is a coherent position for someone whose problem is overspending this month.
But it means YNAB structurally cannot answer a whole class of question. Can we afford a bigger house in two years. What does one of us going part time do to the next five. When is this mortgage actually gone, and is overpaying it better than putting the money elsewhere. Those questions are about money that has not arrived yet, and a tool that only plans with cash in hand has nothing to say about them.
There is a smaller version of the same gap that shows up every month. Say an invoice was due on the 28th and the client has not paid. In a tool built on cash in hand, that money simply is not there and nothing records that it is owed. In CrestCast you tell it the date you now expect it: the profit and loss keeps it in the month you earned it, the cash moves to the month it actually arrives, and the difference stands on your balance sheet as money owed to you. Nothing is typed twice, because it is the same figure seen from two sides. A late bill works the same way in reverse.
That is the gap CrestCast is built for. It projects a three-way model forwards, cashflow alongside profit and loss alongside net worth, and lets you compare two versions of the plan side by side before you commit to either. Where it sits against every other UK app, on one ladder, is on budgeting app, spending tracker or forecast.
The view YNAB says it will not give you
Figures shown are the sample profile, not a real household.
Where CrestCast is different
The bank feeds are YNAB's. It will pull your transactions in; CrestCast never connects to your accounts, so you enter what you want it to know or import a CSV. The typing buys you a model that contains exactly what you chose, with no credential ever shared. Here is why I built it that way.
No envelope method, and no attempt at one. You can log what actually happened in a month and the forecast re-reckons around it, but there is no budget to drift from and nothing that reports a gap against one, so it will not stop you spending in the moment the way YNAB is designed to.
Which should you choose?
Choose CrestCast if the problem is the next few years: a decision you cannot take back, a debt you want gone by a date, two incomes that need to be looked at as one household. It will let you test a decision before you make it, across your cash, your income and your net worth at once. Choose YNAB if the problem is this month: money disappearing, no idea where, an income that arrives at awkward intervals. Its method, give every pound a job, is teachable and changes behaviour.
And if you want to see how the forecast handles a specific question first, the mortgage overpayment and debt payoff calculators are free and need no account.
Common questions
›Is CrestCast a good YNAB alternative?
If you want a forecast, yes: CrestCast answers the questions YNAB deliberately declines, which is anything about money that has not arrived yet. If what you want is an envelope budget for this month, that is YNAB’s job and CrestCast does not attempt it. They are not competing implementations of the same idea: YNAB is a method for controlling the money you have this month, CrestCast is a model of where your household is heading over the next ten years, built so you can test a decision before you take it.
›Does YNAB do forecasting?
Not in the sense most people mean, and YNAB says so itself. Its own guide for irregular income contains a chapter headed "Why Forecasting Doesn't Work", and its support documentation tells you to "establish your plan using only the funds you have on hand right now, not anticipating future income". You can assign money into future months, but only money you actually hold, so the future view is an allocation of cash in hand rather than a projection of what is coming. The one genuinely forward-looking tool is Loan Planner, which shows the time and interest remaining on a loan or mortgage.
›How much does YNAB cost in the UK?
Checked on 16/09/2026, YNAB was $14.99 a month or $109 a year, and those are the only two options: there is no third tier and no sterling price. Its pricing page states plainly that "YNAB is priced in US dollars. Exchange rates are not reflected in the price", so a UK customer pays in dollars and absorbs their card's exchange rate and any non-sterling transaction fee. There is a 34-day free trial with no card required when you sign up directly, and students can get a free year with proof of enrolment. CrestCast is priced in pounds. 30 days free, no card. Then £7.99 a month or £79.99 a year for the whole household.
›Does YNAB work with UK banks?
Yes. The United Kingdom is on the list of European countries YNAB names for Direct Import, which ran to 18 of them when this page was checked on 16/09/2026. Worth getting the plumbing right, because it is widely reported wrongly: YNAB's own UK, Switzerland and EEA terms say that for a bank account in the UK or the EEA the Open Banking service is provided by Plaid Financial Ltd, and that you will be asked to agree to Plaid's or TrueLayer's terms and redirected to your bank by one of them. MX is named in YNAB's terms for the United States and Canada, not for the UK. There is also a UK-only route that connects through Apple Wallet on a recent iPhone. YNAB's own documentation notes the limits: not every account type falls under Open Banking, connections can break when a bank changes its security, transactions can take up to three days to appear, and history from before your starting balance is not imported. CrestCast does not connect to any bank at all, which is a deliberate choice rather than a missing feature.
›Can my partner and I share one subscription?
Both products allow it, and they are shaped differently. CrestCast is built round a household rather than a manager and invitees: one subscription, a login each, both partners seeing the same forecast, and a standing line between joint money and each person's own. YNAB Together puts up to six people on one subscription, being you plus five you invite, each with their own login and no extra charge; members' plans are automatically shared with the group manager, while the manager chooses which of their own plans members can see.
›Can I use both?
Yes, and if you already like YNAB it is a sensible setup. Budget the current month in YNAB, forecast the next ten years in CrestCast. One tells you whether you can buy the thing this week, the other tells you what buying it does to the mortgage.
Other comparisons
- CrestCast vs PocketSmith →
The one comparison where both products forecast. It has bank feeds; we make the case for not having them.
- CrestCast vs Lumio →
A bank-connected app for couples, next to a household forecaster that connects to nothing.
- CrestCast vs Money Dashboard →
Money Dashboard closed in 2023. What UK users lost, and what replaces which part of it.
- Moneyhub alternatives →
Moneyhub has closed its consumer app. How to split aggregation from planning now.
- CrestCast vs ProjectionLab →
ProjectionLab simulates a lifetime year by year. CrestCast forecasts a UK household day by day.
- Do you need a financial adviser? →
What an adviser charges, what they are worth, and where a planning tool is enough.
This is not advice
This comparison is independent and is not affiliated with, endorsed by, or sponsored by YNAB. Details about YNAB are drawn from ynab.com, its support documentation and its UK, Switzerland and EEA terms, checked on 16/09/2026, and may be out of date by the time you read this. Check YNAB's own site for current features and pricing, and note that its prices are set in US dollars, so the sterling cost depends on the exchange rate on the day. Nothing here is financial advice.
YNAB budgets this month. CrestCast forecasts the next ten years, and tells you what that leaves for this one.
CrestCast turns both incomes, the bills, the mortgage and the kids into one forward-looking picture, so the big decisions stop being guesses.
30 days free, no card. Then £7.99 a month or £79.99 a year for the whole household.