How "free" budget apps make money, and what it costs you

You find a budgeting app with good reviews, install it, enter three days of spending, and on day four a full-screen offer appears: seven days free, then a yearly charge. Or the app stays free and a banner ad sits under your grocery total. Either way you start wondering what else you haven't been told, which is a fair question to ask about software that handles your money.

Why budget apps ask for a subscription at all

Most of what an expense tracker does costs nothing to run. Saving a transaction on your phone, adding up a category, drawing a chart: once the app is built, those are free for the developer.

The costs come from three things:

• Bank connections. Aggregation services usually charge for each linked account, on an ongoing basis.
• Cloud sync. Servers and storage cost money for as long as your data lives on them.
• AI features. Every receipt read by a model and every question answered is a bill paid per request.

An app that does none of those can sell once and stay sustainable. An app that does any of them has a cost that recurs for as long as you use it, and a subscription is the honest way to match that. It's also, unfortunately, the most profitable way to price anything, so plenty of apps with no recurring costs charge monthly anyway.

Three ways a "free" budget app gets paid, and one where it doesn't

None of these is wrong. Each just moves the cost somewhere different.

Ad-supported apps suit people who log a few things a week and don't mind a banner. They get tiring if you open the app ten times a day, which is exactly how often a good tracking habit asks you to.

One-time purchase apps are what most people searching "budget app without subscription" actually want. If you only need manual entry, categories and a monthly chart, they're often the best value. The trade-off is that a developer earning nothing from existing users has less reason to keep fixing things after the next iOS update.

Free tier plus subscription apps give you the core for nothing and charge for the expensive parts. Whether that works for you depends entirely on whether the line is drawn above or below the things you do every day.

Where Cashmonki sits, plainly

Cashmonki is the third model. It's free to download, there are no ads in either version, and there's an optional subscription called Pro. There is no lifetime or one-time purchase.

What's free with no limit:

• Entering transactions by hand, as many as you like
• Budgets, and charts with period comparison
• All 30 currencies, with conversion to your main one
• Storage on your phone and offline use, with no account and no bank login needed

What's free up to a limit:

• Receipt scanning: 3 scans a day
• Ask, the chat where you type "300 groceries and 150 for milk" to log it: 10 messages a day
• Wallets: up to 2
• Recurring items, like rent or a streaming plan: up to 2 (the app calls these "subscriptions", which is a slightly awkward word on this particular page)

The daily counts reset at midnight.

What's Pro only: creating or editing your own categories. Free users get the built-in set, which you can still assign transactions to and move them between.

Pro removes those limits. On the US App Store it's listed at $9.99 a month or $99.99 a year, with a seven-day free trial; prices in other countries are set by the local App Store and will differ. At the end of setup the app also shows a one-off discounted offer, which you can close.

Why draw the line there? Because scans and Ask messages are the two things that cost money every time you use them. Typing a transaction yourself costs nobody anything, so it isn't limited.

How to tell if a free tier will actually last you

Free tiers are designed to be outgrown, so check them against how you really spend, not how you spend in week one.

1. 1

   Count your daily transactions

   Look at yesterday. If the free tier caps the method you'd use for most of those purchases, you'll hit the wall by Wednesday.

2. 2

   Check what happens at the limit

   Can you still log by hand when the clever method runs out, or does everything stop? A limit with a fallback is a nudge. A limit without one is a paywall.

3. 3

   Count your accounts

   Salary, cash, an e-wallet and a savings pot is already four. If wallets are capped, decide now whether you'd merge them or pay.

4. 4

   Look for ads in the screenshots

   Ads rarely appear in App Store screenshots, so check the reviews for the word "ads" before you commit a month of data.

Applied to Cashmonki: if you log mostly by typing amounts, and you use two wallets and the standard categories, you can use the free version indefinitely. If you'd rather photograph every receipt or log everything through Ask, three scans and ten messages a day won't cover a busy week, and you'll either switch some entries to manual or end up looking at Pro.

Where this falls short

Worth being direct, since that's why people add "reddit" to this search.

There's no one-time price. If your rule is "I pay once or not at all", Cashmonki doesn't meet it. A one-time purchase app will suit you better, and that's a reasonable rule to have.

Custom categories are paid. For some people the built-in categories are fine. For others, especially freelancers or anyone tracking a side business, not being able to add "Client expenses" is a real gap in the free version.

The AI parts need a connection. Scanning and Ask send data to be processed online. Manual entry and everything you've saved work offline.

It's iPhone only. No Android version and no web app, so a household split across platforms can't share it.

The limits are daily, not monthly. A quiet day's unused scans don't carry over to a busy Saturday.

So which kind should you pick

If you want to pay once and never think about it again, pick a one-time purchase app that does manual entry well, and accept fewer features in exchange for certainty.

If you don't mind ads and log only occasionally, an ad-supported app is genuinely free.

If what stops you tracking is the effort of each entry, a free tier with a few AI scans a day will tell you within a week whether faster logging changes your habit, and only then do you have to decide whether it's worth paying for. That's the part that matters more than price: the tracker you keep using beats the free one you abandon. If that's been the problem before, read how to track expenses without giving up, and if bank connections are the other thing you're avoiding, see budget apps that don't connect to your bank.